"Landscape with a Stone Bridge", Rembrandt [Public domain], via Wikimedia Commons
By Edward Hopper (http://www.wikiart.org/en/edward-hopper/gas) [Public domain], via Wikimedia Commons
Google Arts & Culture - Explore collections from around the world with Google Arts & Culture, created by Google Cultural Institute.
The Art History Project - This archive is being compiled to serve as a library of information about different artistic movements, art groups and specific artists. Its purpose is to educate people about the different movements and show people that there are other movements worth looking at, and specific artists that users may never have heard of.
Art History - The Khan Academy - We understand the history of humanity through art. From prehistoric depictions of bison to contemporary abstraction, artists have addressed their time and place in history and expressed universal truths for tens of thousands of years.
The Met's Heilbrunn Timeline of Art History - pairs essays and works of art with chronologies, telling the story of art and global culture through the Museum’s collection.
Elements of Art - Musee du Louvre - The dynamic format of the “Elements of Art” feature was designed to provide an in-depth look at art-related concepts through a lively approach based on visual demonstration. The videos explore a range of topics by comparing artworks of different kinds, from different periods.