Heilbrunn Timeline of Art History

Art Babble - Videos relating to themes, medium, periods/styles, artists and more

MoMA Art

Google Art Project

Art21

Art Inspired

Alltop (aggregate of art stories and blogs)

Galleries, museums, artist sites 

Blouin Artinfo - latest news and stories for art, architecture and more

Cave to Canvas (search by artist)

Artopia - art news

The J. Paul Getty Museum - art collection online

 (Links to an external site.)Links to an external siteLinks to an extefgyjuty

Collage

Colour

Drawing 

Elements and Principles of Art

Painting and mixed media

Printmaking

Heide Museum of Modern Art

The National Gallery of Victoria

The National Gallery of Australia

Louvre Museum

The Metropolitan Museum of Art

The Getty

Musee d'Orsay

Uffizi Museum

The Art Institute of Chicago

Tate Modern

National Gallery of Art (USA)

The Guggenheim Museum

Art Nouveau

Bauhaus 

Dadaism

De Stijl

Expressionism

Minimalism

Pop Art

Post-Impressionism

Surrealism