National Museum of American Art
(http://www.nmaa.si.edu/)

The largest resource in the world for the study of American art.

ZoneZero
(http://www.zonezero.com)

Pedro Meyer site dedicated to photography and its journey from the analog to digital world.

Ashmolean Museum of Art & Archaeology
(http://www.ashmol.ox.ac.uk/HomePage.html)

Britain's oldest public museum.

De Museumserver
(http://www.museumserver.nl/e_index.html)

Dutch Museums on the Web. In English and Dutch.

The Center for Contemporary Art - Warsaw, Poland
(http://sunsite.icm.edu.pl/culture/csw/)

Since 1990 it has operated under a regular interdisciplinary program with a permanent collection, documentary archives, and the facilities for temporary exhibitions, concerts, lectures, and theater and video presentations.

Sotheby's
(http://www.sothebys.com)

For over 250 years, we have been going about the business of offering art, in all its splendid forms, at auction.