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American Wonders. Aurora Borealis. Grand Canyon. Arizona 446 km long 6.4 to 29 km wide Up to 1.83 km deep 2 billion years old. Carlsbad Caverns. New Mexico 230 k below surface. Mammoth Cave. Kentucky Largest cave system in the world 214 sq. km. Yellowstone.
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American Wonders Aurora Borealis
Grand Canyon • Arizona • 446 km long • 6.4 to 29 km wide • Up to 1.83 km deep • 2 billion years old
Carlsbad Caverns • New Mexico • 230 k below surface
Mammoth Cave • Kentucky • Largest cave system in the world • 214 sq. km
Yellowstone • Wyoming • 8,983 km • Active volcano
Painted Desert • Arizona • Vast desert
Petrified Forest • Arizona • 885 square km
Badlands • South Dakota • 25.958 square km
Glaciers • Alaska • 100,000
Mt. Kilauea • Hawaii • Largest active volcano • On big island of Hawaii
Mohave Desert • California, Nevada, Arizona, Utah 57,000 km
Great Lakes • Minnesota, Wisconsin, Illinois, Indiana, Ohio, Pennsylvania, New York • Huron, Ontario, Michigan, Erie and Superior. • Gouged out by glaciers.
Niagara Falls New York Strongest falls in North America Canadian border Up to 53 meters high
The Everglades • Florida • Subtropic wetlands • 300 square km
Bayous • Louisiana, Texas, Alabama, Georgia Marshy lands
Blue Ridge Parkway • Virginia, North Carolina • Longest National Park • 755 km
Monuments St. Augustine, Florida
Mount Rushmore • South Dakota • Washington, Roosevelt, Jefferson, Lincoln Each head, 18 m 1927 - 1941
Gateway Arch • Missouri • Symbolizes entrance to West 1965 200 m high
Golden Gate Bridge • California • 1937 • Then-largest suspension bridge
Arlington Cemetery • Virginia • Once home to Robert E. Lee
Hoover Dam • Arizona, Nevada • 1935 • Then world’s largest concrete structure
Statue of Liberty New York 1886 92.99 m tall