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What's Inside Mount Rushmore's Not-So-Secret Chamber?
history.howstuffworks.com/american-history/whats-inside-mount-rushmores-not-so-secret-chamber.htm
Mount Rushmore contains a small chamber, part of an abandoned plan to preserve American history for thousands of years. HowStuffWorks steps inside.
How the Euro Works
money.howstuffworks.com/euro.htm
As of January 1, 2002, the euro is the official monetary unit of 12 nations. Find out all about the euro, who's using it and the widespread effects of having a single European currency.
Can You Tell Us the First Names of These U.S. Presidents?
play.howstuffworks.com/quiz/can-you-tell-us-the-first-names-of-these-us-presidents
Everybody's heard of Obama, Trump, Madison and Jackson, but do you know their first names? Presidential names range from Rutherford to John and cover centuries of society's trends. Can you match these first names to the U.S. president?
The Ultimate Washington, DC Quiz
play.howstuffworks.com/quiz/washington-dc-quiz
New York and Chicago might have skyscrapers, but those buildings cower in importance before the magnificent Washington Monument and the Capitol Building. The memorials to Abraham Lincoln, WWII, Vietnam, and Korea remind us of the great sacrifices America has made in the name of freedom and democracy. And let's not forget the great restaurants, museums and exciting nightlife! Take our quiz and discover just how much a fun a trip to Washington D.C. can be.
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.
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?
Top 5 Volunteer Organizations for Retirees
What are some top volunteer organizations for retirees? Learn about Top 5 Volunteer Organizations for Retirees at HowStuffWorks.
Can You Guess Which Countries These Breathtaking Landscapes Are From?
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Where in the world can you marvel at Earth's biggest canyon, swim in lakes the color of bubble gum, or stroll through endless stretches of red sand? Take our quiz to see if you can match these breathtaking landscapes to the correct country!
How the Student Conservation Association Works
money.howstuffworks.com/economics/volunteer/organizations/student-conservation-association.htm
The Student Conservation Association partners high school students with environmental organizations. Read about the Student Conservation Association.
How the U.S. Capitol's Design Was Chosen By Public Competition
history.howstuffworks.com/revolutionary-war/us-capitol-design-competition.htm
The U.S. Capitol is one of the most impressive buildings in the world. And how its design was chosen is quite a story. HowStuffWorks explains.