The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

Sacred Buddhist home of some spiritual monkeys.

Temple of a million beers.

The house where John Wilkes Booth conspired with his co-conspirators.

Teeming with illegal goods and services, this towering maze of vice is also a popular tourist accommodation.

This cemetery served as the only official burial grounds in Cambridge for nearly 200 years.

In this case, 'zero' marks the spot where the iconic Old Spanish Trail ends.

Theme park featuring miniature replicas of European monuments.

Humble beginnings for one of the world's most famous scientists.

This museum showcases the history and contributions of the U.S. Army to the medical industry, both on the battlefield and off.

Berlin's old airport.

This huge metal monument is slowly being stripped to its concrete skeleton.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

This historic national park is covered in the stunning ruins of red rock pueblos.

Once the local rulers had gone these enchanting ruins housed common folk in an almost real life fairy tale.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

A colossal floating restaurant built to look like a ancient Chinese imperial palace.

The Habsburgs' royal collections of art and wonders.

Enter the cabin of a life-sized Hindenburg replica.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

A monument celebrating the idea of reaching inaccessible places.