The United State Government operates many museums, galleries and the like online with exhibits along with information.

National Gallery of Art
- illustrating major achievements in painting, sculpture, and graphic arts from the Middle Ages to today.

Smithsonian Institution

- the world's largest museum and research complex, with 19 museums, 9 research centers, and affiliates around the world.

Earth as Art: A Landsat Perspective
- shows striking photos of Aleutian clouds, Atlas Mountains (Morocco), Bolivian deforestation, the Great Salt Desert in Iran, Dragon Lake (Siberia), the Everglades, Ganges River delta, Iceland fjord, Karman vortices, Kilimanjaro (East Africa), the world's largest glacier (Lambert Glacier), & more.

Picturing America
- introduce students to America's art treasures and promote American history and culture of 20 posters including images of "The Midnight Ride of Paul Revere,""Washington Crossing the Delaware," and "Looking Down Yosemite Valley," and works by Audubon, Catlin, Benton, Cole, Homer, Rockwell, Wyeth, and others. (NEH)

Smithsonian

There are lots of museums, galleries and the like online with exhibits and information.