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Your search for "monument valley" returned 68 results
Serpent Mound, Ohio: Inside the Archaeological Mystery
science.howstuffworks.com/environmental/earth/archaeology/ohio-serpent-mound.htm
The curves of the Serpent Mound, Ohio state's massive and mysterious geological wonder, line up with the sun during equinoxes and solstices.
How John Muir Helped Pave the Way for the National Park System
history.howstuffworks.com/historical-figures/john-muir.htm
Muir was personally involved in the creation of Yosemite, Sequoia, Mount Rainier, Petrified Forest and Grand Canyon national parks and earned the title of "Father of Our National Park System."
Christo Was His Name, Wrapping Was His Game
entertainment.howstuffworks.com/arts/artwork/christo.htm
From early wrapped objects to monumental outdoor projects, the work of the late artist Christo transcended the traditional bounds of painting, sculpture and architecture.
How the Sierra Club Works
science.howstuffworks.com/environmental/conservation/issues/sierra-club.htm
The Sierra Club protects the environment by lobbying for environmental preservation. Learn more about the Sierra Club conservation efforts.
How Deep Is the Deepest Lake in the World?
science.howstuffworks.com/environmental/earth/geophysics/deepest-lake-in-world.htm
You could stack the Eiffel Tower, the Washington Monument and the Statue of Liberty in Crater Lake, the deepest lake in the U.S. But, do you know what the deepest lake in the world is?
Can You Pass US Geography?
play.howstuffworks.com/quiz/can-you-pass-us-geography
Global positioning systems have nothing on you! This U.S. geography quiz is made for folks like you who dare to click through to take a test about America's new and oldest territories. Conquer this terrain test like the early American settlers carved out maps in their sleep. Scroll on!
Fallout: What Would Happen if the Hoover Dam Broke?
science.howstuffworks.com/engineering/structural/hoover-dam-broke.htm
The Hoover Dam holds back 10 trillion gallons of water. That's enough to cover the entire state of Connecticut. How much damage would be done if the dam broke?
6 Things We Still Thank Teddy Roosevelt for Today
history.howstuffworks.com/historical-figures/teddy-roosevelt.htm
Teddy Roosevelt changed the American landscape, establishing the U.S. Forest Service and protecting the magnificent green spaces we cherish today.
Can You Match the Picture to Where in the World It Was Taken?
play.howstuffworks.com/quiz/can-you-match-the-picture-to-where-in-the-world-it-was-taken
We've gathered a picture collection just for you! Score big by matching the images that you see to the names of major destinations from around the globe. Lucky for you, you don't need a plane, train or boat ticket to make this fun trek. Take your picture journey now!
What are the Nazca lines?
science.howstuffworks.com/science-vs-myth/unexplained-phenomena/nazca-lines.htm
Long before crop circles captured the world's imagination, a Peruvian culture called the Nazca went about creating a series of intricate lines -- sometimes in the shapes of animals -- on the desert floor. But how'd they do it -- and why?