Khan Academy (English - US curriculum)
Arts and humanities
The Seeing America Project
Theme: Geography and the Environment
1875-1980
1875-1980
Whistler, Nocturne in Black and Gold, the Falling Rocket
Before Pennsylvania Station, George Bellows and old New York
The City at night, Joseph Stella's The Voice of the City of New York Interpreted
Wright, Fallingwater
Alexandre Hogue, Crucified Land
Eldzier Cortor, Southern Landscape
Cars, highways, and isolation in Postwar America
Brummett Echohawk, An Island of Redbuds on the Cimarron
Alma Thomas, Lunar Rendezvous—Circle of Flowers
Robert Smithson, Spiral Jetty