An online-database for international architecture, specializing in
the 20th century
An extensive built environment portal, courtesy of RIBA (Royal Institute of British Architects) with an excellent reference section.
An online community for architects, planners, urban designers, interior designers, landscape architects, and scholars, with a special focus on the Islamic world. The digital library is especially useful.
Built in America http://memory.loc.gov/ammem/hhhtml/hhhome.html
includes HABS (Historic American Buildings Survey, 1933-present) and HAER (Historic American Engineering Record) Listings in the Register include districts, sites, buildings, structures, and objects that are significant in American history, architecture, archeology, engineering, and culture.
Chicago Imagebase http://tigger.uic.edu/depts/ahaa/imagebase/
a wide variety of images and other data about the built environment of the Chicago region.
Cities/Buildings Database http://www.washington.edu/ark2/
a collection of digitized images of buildings and cities drawn from across time and throughout the world.
Great Buildings http://www.greatbuildings.com
gateway to architecture around the world and across history; documents a thousandbuildings and hundreds of leading architects
National Register of Historic Places http://www.cr.nps.gov/nr/
Listings in the Register include districts, sites, buildings, structures, and objects that are significant inAmerican history, architecture, archeology, engineering, and culture. Database address: http://nrhp.focus.nps.gov/natreghome.do?searchtype=natreghome
Society of Architectural Historians http://www.sah.org/
compendium of information compiled by Architects Antonio Bassi & Dario Galimberti