Google Arts and Culture: virtual 3D tours of artifacts, documents, art collections and more from museums, libraries, art houses and more for all over the world
Europeana: search Europe's art, books, films from thousands of cultural institutions
Colour Matters: all things color use in art
Rijksmuseum: digital HD-quality collections form the Rijksmuseum in Amsterdam, The Netherlands
Van Gogh Museum: the online collection
British Museum Galleries: more than 60 digitized collections
Best free virtual tours for art students: additional online museum and art collections from countries across the world
Digital Theatre +: unlimited access to some of the world's finest productions, unique backstage insights, practitioner interviews and written analysis. Ask Ms. Urban for login details.
AllMusic - Comprehensive database with biographies, discographies and more
MusicBrainz! - MusicBrainz is an open music encyclopedia that collects music metadata and makes it available to the public.