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Landmarks designate places of interest and peek the interest of many. Discover the massive stones used to erect Stonehenge and the Leaning Tower of Pisa.

Machu Picchu

Mysterious and enchanting this mountain city remained hidden from outsiders for centuries after the Incas abandoned it. Intricately devised buildings and ceremonial centers make it a world-renowned tourist attraction.

What Time Is It? Time for the World's Most Accurate Clock!

A new single-ion clock built by a German research institute could force us to redefine what a "second" is. Learn more at HowStuffWorks Now. See more »

Seven Wonders of the World Pictures

Most of the seven wonders of the world aren't around today, but you can still see them. Check out these pictures of the seven wonders of the ancient world. See more »

10 Best Vacations You'll Never Get to Take

Some famous locales may disappear before you ever get the chance to visit. Read about the 10 vacations you'll never get to take. See more »

Top 5 Coolest Places to See Fireworks

What are the coolest places to see fireworks? Learn about fantastic fireworks displays from around the world. See more »

World's 10 Craziest Hotels

The world's craziest hotels feature some wild and wonderful accommodations. Learn about 10 of the craziest hotels in the world. See more »

Ride the Rails: Top 10 Train Trips for Families

Train trips are a great alternative to traveling by plane or car. Learn about 10 train trips for families. See more »

10 Hotels to Stay In Before You Die

What hotels should you stay in before you die? Find out what tops our list of the top 10 hotels to stay in before you die. See more »

10 Great Foodie Vacations

Foodie vacations take advantage of delectable local dishes from around the world. Learn about 10 vacation destinations for foodies. See more »

10 Landmarks You'd Better Be in Shape to Visit

If you want to do more than shop, dine and take photos, these difficult-to-reach landmarks are for you. Check out 10 landmarks you'd better be in shape to visit. See more »

5 Mysterious Monuments from Around the World

For modern archaeologists, the ancient world continues to hold many secrets. Check out 5 mysterious monuments around the world. See more »