Witness the construction of the Martin Luther King, Jr. National Memorial in Washington, D.C.
Time-lapse video of the building of the Martin Luther King, Jr. National Memorial in Washington, D.C., from 2009 to 2011.
EarthCam (A Britannica Publishing Partner)
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Encyclopædia Britannica, Inc.Discover the climate, landscape, and waterways of the northeastern United States.
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Encyclopædia Britannica, Inc.Learn about the Pacific region of the United States—from the mainland's Cascade Range and Sierra Nevada on the east, Coast Ranges on the west, and valleys in between to Hawaii's chain of volcanic mountains emerging from the central Pacific Ocean.
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Encyclopædia Britannica, Inc.Learn how European American settlers drove Native Americans and bison from the Midwest and transformed the land.
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Encyclopædia Britannica, Inc.The physical landscape of the Mountain Region of the United States ranges from the rugged Rocky Mountains to the sweeping fields of the Great Plains.
