ARTstor is a digital library of nearly one million images in the areas of art, architecture, humanities, and social sciences with a set of tools to view, present, and manage images for research and educational purposes.The cross-cultural, secular study of Western and Eastern religious beliefs and traditions is richly represented by images of sites, including temples, cathedrals, synagogues, churches, and mosques; iconographic subjects and figures; and ceremonial objects such as sacred texts, chalices, prayer books, robes, and candelabra. Of note, the Library contains unparalleled images of Buddhist cave shrines in Dunhuang, China, located in the Gobi Desert along the ancient Silk Route.