The Reef is Blue Coral Learning's library of interactives. Some are available through different creative commons licenses. Try a few out and reach out with feedback or suggestions for new interactives!
Blue Coral Guide to Magellan's Voyage is an interactive 3D model of his route around the Earth. Freely browse by selecting, dragging, and zooming or step through the grand tour. Each stop along the way contains an optional profile for more detail.