University of Michigan
University of Michigan: Museums
Links to dozens of art museums all over the world, by geographic region.
A&E Television
History.com: The States
Learn unique facts about each American state. You can also read a more in-depth history of each state, watch videos and play a game about all the states.
Curated OER
Educational Technology Clearinghouse: Maps Etc: Lake Agassiz, 1911
A map of the Laurentide era glacial Lake Agassiz in the present day region of the northern United States and southern Saskatchewan, Manitoba, and Ontario. The lake was present during the last glacial period, and covers an area larger...