Artstor is an online repository of close to two million images in the arts, architecture, archeology and other areas. It is freely available to members of the College Park and some other campuses in the system, and access can be arranged for faculty on other campuses. Here is a sample of images in Artstor.
Temple of Apollo, Delphi, Greece
12th-16th century market place, Durham, England
Frank Gehry, Auditorium interior, Walt Disney Concert Hall, 2003
Fountain, Rebecca Belmore, Video installation at the Canadian Pavilion of the Venice Biennale, 2005
Male Shinto deity
Meridian Hill Park (Wash. D. C.), Horace Peaslee, 20th century
Les Demoiselles d’ Avignon, Pablo Picasso, 1907