diff --git a/Apps/Sandcastle/gallery/ArcticDEM.html b/Apps/Sandcastle/gallery/ArcticDEM.html
index ef1a79acdff3..a3c10a68e835 100644
--- a/Apps/Sandcastle/gallery/ArcticDEM.html
+++ b/Apps/Sandcastle/gallery/ArcticDEM.html
@@ -4,8 +4,8 @@
     <meta charset="utf-8">
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
-    <meta name="description" content="Visualize high-resolution arctic terrain.">
-    <meta name="cesium-sandcastle-labels" content="Showcases">
+    <meta name="description" content="High-resolution arctic terrain from the Arctic DEM project (Release 4) and hosted by Cesium ion.">
+    <meta name="cesium-sandcastle-labels" content="ion Assets">
     <title>Cesium Demo</title>
     <script type="text/javascript" src="../Sandcastle-header.js"></script>
     <script type="text/javascript" src="../../../ThirdParty/requirejs-2.1.20/require.js"></script>
@@ -27,66 +27,64 @@
 function startup(Cesium) {
     'use strict';
 //Sandcastle_Begin
+// High-resolution arctic terrain from the Arctic DEM project (Release 4), tiled and hosted by Cesium ion.
+// https://www.pgc.umn.edu/data/arcticdem/
 var viewer = new Cesium.Viewer('cesiumContainer', {
-    // Load ArcticDEM terrain
     terrainProvider: new Cesium.CesiumTerrainProvider({
-        url: 'https://assets.agi.com/stk-terrain/v1/tilesets/ArticDEM/tiles',
-        requestWaterMask: true,
-        requestVertexNormals: true
+        url: Cesium.IonResource.fromAssetId(3956)
     })
 });
 
 // Add Alaskan locations
 Sandcastle.addDefaultToolbarMenu([{
-    text : 'Denali',
-    onselect : function() {
+    text: 'Denali',
+    onselect: function() {
         viewer.scene.camera.flyTo({
-            destination : Cesium.Cartesian3.fromRadians(-2.6399828792482234, 1.0993550795541742, 5795),
-            orientation : {
-                heading : 3.8455,
-                pitch : -0.4535,
-                roll : 0.0
+            destination: Cesium.Cartesian3.fromRadians(-2.6399828792482234, 1.0993550795541742, 5795),
+            orientation: {
+                heading: 3.8455,
+                pitch: -0.4535,
+                roll: 0.0
             }
         });
     }
 }, {
-    text : 'Anchorage Area',
-    onselect : function() {
+    text: 'Anchorage Area',
+    onselect: function() {
         viewer.scene.camera.flyTo({
-            destination : Cesium.Cartesian3.fromRadians(-2.610708034601548, 1.0671172431736584, 1900),
-            orientation : {
-                heading : 4.6,
-                pitch : -0.341,
-                roll : 0.0
+            destination: Cesium.Cartesian3.fromRadians(-2.610708034601548, 1.0671172431736584, 1900),
+            orientation: {
+                heading: 4.6,
+                pitch: -0.341,
+                roll: 0.0
             }
         });
     }
 }, {
-    text : 'Peaks',
-    onselect : function() {
+    text: 'Peaks',
+    onselect: function() {
         viewer.scene.camera.flyTo({
-            destination : Cesium.Cartesian3.fromRadians(-2.6928866820212813, 1.072394255273859, 3700),
-            orientation : {
-                heading : 1.6308222948889464,
-                pitch : -0.6473480165020193,
-                roll : 0.0
+            destination: Cesium.Cartesian3.fromRadians(-2.6928866820212813, 1.072394255273859, 3700),
+            orientation: {
+                heading: 1.6308222948889464,
+                pitch: -0.6473480165020193,
+                roll: 0.0
             }
         });
     }
 }, {
-    text : 'Riverbed',
-    onselect : function() {
+    text: 'Riverbed',
+    onselect: function() {
         viewer.scene.camera.flyTo({
-            destination : Cesium.Cartesian3.fromRadians(-2.6395623497608596, 1.0976443174490356, 2070),
-            orientation : {
-                heading : 6.068794108659519,
-                pitch : -0.08514161789475816,
-                roll : 0.0
+            destination: Cesium.Cartesian3.fromRadians(-2.6395623497608596, 1.0976443174490356, 2070),
+            orientation: {
+                heading: 6.068794108659519,
+                pitch: -0.08514161789475816,
+                roll: 0.0
             }
         });
     }
 }], 'toolbar');
-
 //Sandcastle_End
     Sandcastle.finishedLoading();
 }
diff --git a/Apps/Sandcastle/gallery/ArcticDEM.jpg b/Apps/Sandcastle/gallery/ArcticDEM.jpg
index 12241d04d90b..907dedc885ba 100644
Binary files a/Apps/Sandcastle/gallery/ArcticDEM.jpg and b/Apps/Sandcastle/gallery/ArcticDEM.jpg differ
diff --git a/Apps/Sandcastle/gallery/Blue Marble.html b/Apps/Sandcastle/gallery/Blue Marble.html
new file mode 100644
index 000000000000..ebbaba72154c
--- /dev/null
+++ b/Apps/Sandcastle/gallery/Blue Marble.html	
@@ -0,0 +1,44 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="utf-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
+    <meta name="description" content="Blue Marble Next Generation July, 2004 imagery from NASA and hosted by Cesium ion.">
+    <meta name="cesium-sandcastle-labels" content="ion Assets">
+    <title>Cesium Demo</title>
+    <script type="text/javascript" src="../Sandcastle-header.js"></script>
+    <script type="text/javascript" src="../../../ThirdParty/requirejs-2.1.20/require.js"></script>
+    <script type="text/javascript">
+    require.config({
+        baseUrl : '../../../Source',
+        waitSeconds : 60
+    });
+    </script>
+</head>
+<body class="sandcastle-loading" data-sandcastle-bucket="bucket-requirejs.html">
+<style>
+    @import url(../templates/bucket.css);
+</style>
+<div id="cesiumContainer" class="fullSize"></div>
+<div id="loadingOverlay"><h1>Loading...</h1></div>
+<div id="toolbar"></div>
+<script id="cesium_sandcastle_script">
+function startup(Cesium) {
+    'use strict';
+//Sandcastle_Begin
+// Blue Marble Next Generation July, 2004 imagery from NASA
+var viewer = new Cesium.Viewer('cesiumContainer', {
+    imageryProvider: new Cesium.IonImageryProvider({ assetId: 3845 })
+});
+//Sandcastle_End
+    Sandcastle.finishedLoading();
+}
+if (typeof Cesium !== "undefined") {
+    startup(Cesium);
+} else if (typeof require === "function") {
+    require(["Cesium"], startup);
+}
+</script>
+</body>
+</html>
diff --git a/Apps/Sandcastle/gallery/Blue Marble.jpg b/Apps/Sandcastle/gallery/Blue Marble.jpg
new file mode 100644
index 000000000000..647f20dcf8d2
Binary files /dev/null and b/Apps/Sandcastle/gallery/Blue Marble.jpg differ
diff --git a/Apps/Sandcastle/gallery/Cesium World Terrain.html b/Apps/Sandcastle/gallery/Cesium World Terrain.html
new file mode 100644
index 000000000000..03d7dd1aa81a
--- /dev/null
+++ b/Apps/Sandcastle/gallery/Cesium World Terrain.html	
@@ -0,0 +1,44 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="utf-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
+    <meta name="description" content="High-resolution global terrain tileset curated from several datasources and hosted by Cesium ion.">
+    <meta name="cesium-sandcastle-labels" content="ion Assets">
+    <title>Cesium Demo</title>
+    <script type="text/javascript" src="../Sandcastle-header.js"></script>
+    <script type="text/javascript" src="../../../ThirdParty/requirejs-2.1.20/require.js"></script>
+    <script type="text/javascript">
+    require.config({
+        baseUrl : '../../../Source',
+        waitSeconds : 60
+    });
+    </script>
+</head>
+<body class="sandcastle-loading" data-sandcastle-bucket="bucket-requirejs.html">
+<style>
+    @import url(../templates/bucket.css);
+</style>
+<div id="cesiumContainer" class="fullSize"></div>
+<div id="loadingOverlay"><h1>Loading...</h1></div>
+<div id="toolbar"></div>
+<script id="cesium_sandcastle_script">
+function startup(Cesium) {
+    'use strict';
+//Sandcastle_Begin
+// For more information on Cesium World Terrain, see https://cesium.com/content/cesiumworldterrain
+var viewer = new Cesium.Viewer('cesiumContainer', {
+    terrainProvider: Cesium.createWorldTerrain()
+});
+//Sandcastle_End
+    Sandcastle.finishedLoading();
+}
+if (typeof Cesium !== "undefined") {
+    startup(Cesium);
+} else if (typeof require === "function") {
+    require(["Cesium"], startup);
+}
+</script>
+</body>
+</html>
diff --git a/Apps/Sandcastle/gallery/Cesium World Terrain.jpg b/Apps/Sandcastle/gallery/Cesium World Terrain.jpg
new file mode 100644
index 000000000000..71bad75a3f19
Binary files /dev/null and b/Apps/Sandcastle/gallery/Cesium World Terrain.jpg differ
diff --git a/Apps/Sandcastle/gallery/Earth at Night.html b/Apps/Sandcastle/gallery/Earth at Night.html
new file mode 100644
index 000000000000..fc24182fc2ec
--- /dev/null
+++ b/Apps/Sandcastle/gallery/Earth at Night.html	
@@ -0,0 +1,44 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="utf-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
+    <meta name="description" content="NASA-generated imagery of the earth at night hosted on Cesium ion. Also known as Black Marble and Night Lights.">
+    <meta name="cesium-sandcastle-labels" content="ion Assets">
+    <title>Cesium Demo</title>
+    <script type="text/javascript" src="../Sandcastle-header.js"></script>
+    <script type="text/javascript" src="../../../ThirdParty/requirejs-2.1.20/require.js"></script>
+    <script type="text/javascript">
+    require.config({
+        baseUrl : '../../../Source',
+        waitSeconds : 60
+    });
+    </script>
+</head>
+<body class="sandcastle-loading" data-sandcastle-bucket="bucket-requirejs.html">
+<style>
+    @import url(../templates/bucket.css);
+</style>
+<div id="cesiumContainer" class="fullSize"></div>
+<div id="loadingOverlay"><h1>Loading...</h1></div>
+<div id="toolbar"></div>
+<script id="cesium_sandcastle_script">
+function startup(Cesium) {
+    'use strict';
+//Sandcastle_Begin
+// The Earth at Night, also known as Black Marble 2017 and Night Lights
+var viewer = new Cesium.Viewer('cesiumContainer', {
+    imageryProvider: new Cesium.IonImageryProvider({ assetId: 3812 })
+});
+//Sandcastle_End
+    Sandcastle.finishedLoading();
+}
+if (typeof Cesium !== "undefined") {
+    startup(Cesium);
+} else if (typeof require === "function") {
+    require(["Cesium"], startup);
+}
+</script>
+</body>
+</html>
diff --git a/Apps/Sandcastle/gallery/Earth at Night.jpg b/Apps/Sandcastle/gallery/Earth at Night.jpg
new file mode 100644
index 000000000000..4a0a0b24a922
Binary files /dev/null and b/Apps/Sandcastle/gallery/Earth at Night.jpg differ
diff --git a/Apps/Sandcastle/gallery/Google Earth Enterprise.jpg b/Apps/Sandcastle/gallery/Google Earth Enterprise.jpg
index 5d635cf88088..6b8f7b7f0200 100644
Binary files a/Apps/Sandcastle/gallery/Google Earth Enterprise.jpg and b/Apps/Sandcastle/gallery/Google Earth Enterprise.jpg differ
diff --git a/Apps/Sandcastle/gallery/Imagery Layers Split.html b/Apps/Sandcastle/gallery/Imagery Layers Split.html
index 2ea5e9fefb00..6da53ef94797 100644
--- a/Apps/Sandcastle/gallery/Imagery Layers Split.html	
+++ b/Apps/Sandcastle/gallery/Imagery Layers Split.html	
@@ -58,12 +58,8 @@
 });
 
 var layers = viewer.imageryLayers;
-var blackMarble = layers.addImageryProvider(Cesium.createTileMapServiceImageryProvider({
-    url : 'https://cesiumjs.org/blackmarble',
-    credit : 'Black Marble imagery courtesy NASA Earth Observatory',
-    flipXY : true // Only old gdal2tile.py generated tilesets need this flag.
-}));
-blackMarble.splitDirection = Cesium.ImagerySplitDirection.LEFT; // Only show to the left of the slider.
+var earthAtNight = layers.addImageryProvider(new Cesium.IonImageryProvider({ assetId: 3812 }));
+earthAtNight.splitDirection = Cesium.ImagerySplitDirection.LEFT; // Only show to the left of the slider.
 
 // Sync the position of the slider with the split position
 var slider = document.getElementById('slider');
diff --git a/Apps/Sandcastle/gallery/Imagery Layers.html b/Apps/Sandcastle/gallery/Imagery Layers.html
index 524d60262158..643dd7ea3ca1 100644
--- a/Apps/Sandcastle/gallery/Imagery Layers.html	
+++ b/Apps/Sandcastle/gallery/Imagery Layers.html	
@@ -35,13 +35,9 @@
 });
 
 var layers = viewer.imageryLayers;
-var blackMarble = layers.addImageryProvider(Cesium.createTileMapServiceImageryProvider({
-    url : 'https://cesiumjs.org/blackmarble',
-    credit : 'Black Marble imagery courtesy NASA Earth Observatory',
-    flipXY : true // Only old gdal2tile.py generated tilesets need this flag.
-}));
-blackMarble.alpha = 0.5;
-blackMarble.brightness = 2.0;
+var earthAtNight = layers.addImageryProvider(new Cesium.IonImageryProvider({ assetId: 3812 }));
+earthAtNight.alpha = 0.5;
+earthAtNight.brightness = 2.0;
 
 layers.addImageryProvider(new Cesium.SingleTileImageryProvider({
     url : '../images/Cesium_Logo_overlay.png',
diff --git a/Apps/Sandcastle/gallery/Natural Earth II.html b/Apps/Sandcastle/gallery/Natural Earth II.html
new file mode 100644
index 000000000000..3f7db4c8ae97
--- /dev/null
+++ b/Apps/Sandcastle/gallery/Natural Earth II.html	
@@ -0,0 +1,44 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="utf-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
+    <meta name="description" content="Natural Earth II with Shaded Relief, Water, and Drainages hosted by Cesium ion.">
+    <meta name="cesium-sandcastle-labels" content="ion Assets">
+    <title>Cesium Demo</title>
+    <script type="text/javascript" src="../Sandcastle-header.js"></script>
+    <script type="text/javascript" src="../../../ThirdParty/requirejs-2.1.20/require.js"></script>
+    <script type="text/javascript">
+    require.config({
+        baseUrl : '../../../Source',
+        waitSeconds : 60
+    });
+    </script>
+</head>
+<body class="sandcastle-loading" data-sandcastle-bucket="bucket-requirejs.html">
+<style>
+    @import url(../templates/bucket.css);
+</style>
+<div id="cesiumContainer" class="fullSize"></div>
+<div id="loadingOverlay"><h1>Loading...</h1></div>
+<div id="toolbar"></div>
+<script id="cesium_sandcastle_script">
+function startup(Cesium) {
+    'use strict';
+//Sandcastle_Begin
+// Natural Earth II with Shaded Relief, Water, and Drainages from http://www.naturalearthdata.com
+var viewer = new Cesium.Viewer('cesiumContainer', {
+    imageryProvider: new Cesium.IonImageryProvider({ assetId: 3813 })
+});
+//Sandcastle_End
+    Sandcastle.finishedLoading();
+}
+if (typeof Cesium !== "undefined") {
+    startup(Cesium);
+} else if (typeof require === "function") {
+    require(["Cesium"], startup);
+}
+</script>
+</body>
+</html>
diff --git a/Apps/Sandcastle/gallery/Natural Earth II.jpg b/Apps/Sandcastle/gallery/Natural Earth II.jpg
new file mode 100644
index 000000000000..12fc684764ef
Binary files /dev/null and b/Apps/Sandcastle/gallery/Natural Earth II.jpg differ
diff --git a/Apps/Sandcastle/gallery/PATerrain.html b/Apps/Sandcastle/gallery/PAMAP Terrain.html
similarity index 90%
rename from Apps/Sandcastle/gallery/PATerrain.html
rename to Apps/Sandcastle/gallery/PAMAP Terrain.html
index 1ed736193b7a..61e775de5fb3 100644
--- a/Apps/Sandcastle/gallery/PATerrain.html
+++ b/Apps/Sandcastle/gallery/PAMAP Terrain.html	
@@ -4,8 +4,8 @@
     <meta charset="utf-8">
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
-    <meta name="description" content="Visualize worldwide, high-resolution terrain.">
-    <meta name="cesium-sandcastle-labels" content="Showcases">
+    <meta name="description" content="High resolution terrain of Pennsylvania curated by PASDA and hosted on Cesium ion.">
+    <meta name="cesium-sandcastle-labels" content="ion Assets">
     <title>Cesium Demo</title>
     <script type="text/javascript" src="../Sandcastle-header.js"></script>
     <script type="text/javascript" src="../../../ThirdParty/requirejs-2.1.20/require.js"></script>
@@ -27,12 +27,11 @@
 function startup(Cesium) {
     'use strict';
 //Sandcastle_Begin
+// High resolution terrain of Pennsylvania curated by Pennsylvania Spatial Data Access (PASDA)
+// http://www.pasda.psu.edu/
 var viewer = new Cesium.Viewer('cesiumContainer', {
-    // Load PA terrain
     terrainProvider: new Cesium.CesiumTerrainProvider({
-        url: 'https://assets.agi.com/stk-terrain/v1/tilesets/PAMAP/tiles',
-        requestWaterMask: true,
-        requestVertexNormals: true
+        url: Cesium.IonResource.fromAssetId(3957)
     })
 });
 
@@ -98,7 +97,6 @@
         });
     }
 }], 'toolbar');
-
 //Sandcastle_End
     Sandcastle.finishedLoading();
 }
diff --git a/Apps/Sandcastle/gallery/PATerrain.jpg b/Apps/Sandcastle/gallery/PAMAP Terrain.jpg
similarity index 100%
rename from Apps/Sandcastle/gallery/PATerrain.jpg
rename to Apps/Sandcastle/gallery/PAMAP Terrain.jpg
diff --git a/Apps/Sandcastle/gallery/Sentinel-2.html b/Apps/Sandcastle/gallery/Sentinel-2.html
new file mode 100644
index 000000000000..37f7007681f3
--- /dev/null
+++ b/Apps/Sandcastle/gallery/Sentinel-2.html
@@ -0,0 +1,44 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="utf-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
+    <meta name="description" content="Sentinel-2 cloudless by EOX IT Services GmbH (Contains modified Copernicus Sentinel data 2016 and 2017). Hosted by Cesium ion">
+    <meta name="cesium-sandcastle-labels" content="ion Assets">
+    <title>Cesium Demo</title>
+    <script type="text/javascript" src="../Sandcastle-header.js"></script>
+    <script type="text/javascript" src="../../../ThirdParty/requirejs-2.1.20/require.js"></script>
+    <script type="text/javascript">
+    require.config({
+        baseUrl : '../../../Source',
+        waitSeconds : 60
+    });
+    </script>
+</head>
+<body class="sandcastle-loading" data-sandcastle-bucket="bucket-requirejs.html">
+<style>
+    @import url(../templates/bucket.css);
+</style>
+<div id="cesiumContainer" class="fullSize"></div>
+<div id="loadingOverlay"><h1>Loading...</h1></div>
+<div id="toolbar"></div>
+<script id="cesium_sandcastle_script">
+function startup(Cesium) {
+    'use strict';
+//Sandcastle_Begin
+// Sentinel-2 (mostly) cloudless global imagery between 10 and 60 meter resolution.
+var viewer = new Cesium.Viewer('cesiumContainer', {
+    imageryProvider: new Cesium.IonImageryProvider({ assetId: 3954 })
+});
+//Sandcastle_End
+    Sandcastle.finishedLoading();
+}
+if (typeof Cesium !== "undefined") {
+    startup(Cesium);
+} else if (typeof require === "function") {
+    require(["Cesium"], startup);
+}
+</script>
+</body>
+</html>
diff --git a/Apps/Sandcastle/gallery/Sentinel-2.jpg b/Apps/Sandcastle/gallery/Sentinel-2.jpg
new file mode 100644
index 000000000000..6090323f0352
Binary files /dev/null and b/Apps/Sandcastle/gallery/Sentinel-2.jpg differ
diff --git a/Apps/Sandcastle/gallery/Washington DC 2017.html b/Apps/Sandcastle/gallery/Washington DC 2017.html
new file mode 100644
index 000000000000..24ce8601dfc9
--- /dev/null
+++ b/Apps/Sandcastle/gallery/Washington DC 2017.html	
@@ -0,0 +1,45 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="utf-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
+    <meta name="description" content="3 inch/0.08 meter pixel resolution imagery of the District of Columbia. Hosted by Cesium ion">
+    <meta name="cesium-sandcastle-labels" content="ion Assets">
+    <title>Cesium Demo</title>
+    <script type="text/javascript" src="../Sandcastle-header.js"></script>
+    <script type="text/javascript" src="../../../ThirdParty/requirejs-2.1.20/require.js"></script>
+    <script type="text/javascript">
+    require.config({
+        baseUrl : '../../../Source',
+        waitSeconds : 60
+    });
+    </script>
+</head>
+<body class="sandcastle-loading" data-sandcastle-bucket="bucket-requirejs.html">
+<style>
+    @import url(../templates/bucket.css);
+</style>
+<div id="cesiumContainer" class="fullSize"></div>
+<div id="loadingOverlay"><h1>Loading...</h1></div>
+<div id="toolbar"></div>
+<script id="cesium_sandcastle_script">
+function startup(Cesium) {
+    'use strict';
+//Sandcastle_Begin
+// 3 inch (0.08m) resolution imagery of Washington DC collected in 2017
+var viewer = new Cesium.Viewer('cesiumContainer');
+
+var imageryLayer = viewer.imageryLayers.addImageryProvider(new Cesium.IonImageryProvider({ assetId: 3827 }));
+viewer.flyTo(imageryLayer);
+//Sandcastle_End
+    Sandcastle.finishedLoading();
+}
+if (typeof Cesium !== "undefined") {
+    startup(Cesium);
+} else if (typeof require === "function") {
+    require(["Cesium"], startup);
+}
+</script>
+</body>
+</html>
diff --git a/Apps/Sandcastle/gallery/Washington DC 2017.jpg b/Apps/Sandcastle/gallery/Washington DC 2017.jpg
new file mode 100644
index 000000000000..4ada1af2ec21
Binary files /dev/null and b/Apps/Sandcastle/gallery/Washington DC 2017.jpg differ
diff --git a/Source/Widgets/BaseLayerPicker/BaseLayerPicker.js b/Source/Widgets/BaseLayerPicker/BaseLayerPicker.js
index 9d94976d8833..99de39cc9229 100644
--- a/Source/Widgets/BaseLayerPicker/BaseLayerPicker.js
+++ b/Source/Widgets/BaseLayerPicker/BaseLayerPicker.js
@@ -66,16 +66,12 @@ define([
      *  }));
      *
      *  imageryViewModels.push(new Cesium.ProviderViewModel({
-     *      name : 'Black Marble',
+     *      name : 'Earth at Night',
      *      iconUrl : Cesium.buildModuleUrl('Widgets/Images/ImageryProviders/blackMarble.png'),
      *      tooltip : 'The lights of cities and villages trace the outlines of civilization \
      * in this global view of the Earth at night as seen by NASA/NOAA\'s Suomi NPP satellite.',
      *      creationFunction : function() {
-     *          return Cesium.createTileMapServiceImageryProvider({
-     *              url : 'https://cesiumjs.org/blackmarble',
-     *              credit : 'Black Marble imagery courtesy NASA Earth Observatory',
-     *              flipXY : true
-     *          });
+     *          return new Cesium.IonImageryProvider({ assetId: 3812 });
      *      }
      *  }));
      *
diff --git a/Source/Widgets/BaseLayerPicker/createDefaultImageryProviderViewModels.js b/Source/Widgets/BaseLayerPicker/createDefaultImageryProviderViewModels.js
index 4ee11ebfbd9d..d8b87b38a1f0 100644
--- a/Source/Widgets/BaseLayerPicker/createDefaultImageryProviderViewModels.js
+++ b/Source/Widgets/BaseLayerPicker/createDefaultImageryProviderViewModels.js
@@ -5,6 +5,7 @@ define([
         '../../Scene/BingMapsStyle',
         '../../Scene/createOpenStreetMapImageryProvider',
         '../../Scene/createTileMapServiceImageryProvider',
+        '../../Scene/IonImageryProvider',
         '../../Scene/MapboxImageryProvider',
         '../BaseLayerPicker/ProviderViewModel'
     ], function(
@@ -14,6 +15,7 @@ define([
         BingMapsStyle,
         createOpenStreetMapImageryProvider,
         createTileMapServiceImageryProvider,
+        IonImageryProvider,
         MapboxImageryProvider,
         ProviderViewModel) {
     'use strict';
@@ -180,16 +182,29 @@ area washes and organic edges over a paper texture to add warm pop to any map.\n
         }));
 
         providerViewModels.push(new ProviderViewModel({
-            name : 'The Black Marble',
-            iconUrl : buildModuleUrl('Widgets/Images/ImageryProviders/blackMarble.png'),
-            tooltip : 'The lights of cities and villages trace the outlines of civilization in this global view of the \
-Earth at night as seen by NASA/NOAA\'s Suomi NPP satellite.',
+            name : 'Sentinel-2',
+            iconUrl : buildModuleUrl('Widgets/Images/ImageryProviders/sentinel-2.png'),
+            tooltip : 'Sentinel-2 cloudless by EOX IT Services GmbH (Contains modified Copernicus Sentinel data 2016 and 2017).',
             creationFunction : function() {
-                return createTileMapServiceImageryProvider({
-                    url : 'https://cesiumjs.org/blackmarble',
-                    flipXY : true,
-                    credit : 'Black Marble imagery courtesy NASA Earth Observatory'
-                });
+                return new IonImageryProvider({ assetId: 3954 });
+            }
+        }));
+
+        providerViewModels.push(new ProviderViewModel({
+            name : 'Blue Marble',
+            iconUrl : buildModuleUrl('Widgets/Images/ImageryProviders/blueMarble.png'),
+            tooltip : 'Blue Marble Next Generation July, 2004 imagery from NASA.',
+            creationFunction : function() {
+                return new IonImageryProvider({ assetId: 3845 });
+            }
+        }));
+
+        providerViewModels.push(new ProviderViewModel({
+            name : 'Earth at night',
+            iconUrl : buildModuleUrl('Widgets/Images/ImageryProviders/earthAtNight.png'),
+            tooltip : 'The Earth at night, also known as The Black Marble, is a 500 meter resolution global composite imagery layer released by NASA.',
+            creationFunction : function() {
+                return new IonImageryProvider({ assetId: 3812 });
             }
         }));
 
diff --git a/Source/Widgets/Images/ImageryProviders/blueMarble.png b/Source/Widgets/Images/ImageryProviders/blueMarble.png
new file mode 100644
index 000000000000..b8b5b7b1a19f
Binary files /dev/null and b/Source/Widgets/Images/ImageryProviders/blueMarble.png differ
diff --git a/Source/Widgets/Images/ImageryProviders/blackMarble.png b/Source/Widgets/Images/ImageryProviders/earthAtNight.png
similarity index 100%
rename from Source/Widgets/Images/ImageryProviders/blackMarble.png
rename to Source/Widgets/Images/ImageryProviders/earthAtNight.png
diff --git a/Source/Widgets/Images/ImageryProviders/sentinel-2.png b/Source/Widgets/Images/ImageryProviders/sentinel-2.png
new file mode 100644
index 000000000000..775fb38ce12a
Binary files /dev/null and b/Source/Widgets/Images/ImageryProviders/sentinel-2.png differ