Over 5,000 digitized images of buildings and cities drawn from across time and throughout the world...

"A structured vocabulary containing around 120,000 records, including 293,000 names and biographical and bibliographic information about artists and architects, including a wealth of variant names, pseudonyms, and language variants...

Database of "dozens of digital image collections from Museums, Universities and private collections throughout the world" in five categories: cartography, fine arts, architecture, photography, and other...