By the time photography was invented in the 1830s, the University of Pennsylvania, America's first university, was nearly a century old. University of Pennsylva

The University Museum has been involved in Mesoamerican archaeology for more than a century. Its collections include material from northern Mexico to Costa Rica

"Lavishly illustrated with 117 color images, 2 maps, and 15 black and white photographs, and including list of readings and an index, the Guide will be of inter