Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

A modern temple with an ancient philosophy.

More sculpture than building, this architecturally significant temple was built on the spot of Saint Peter's crucifixion.

The name of this ancient Indonesian temple translates as "Elephant Cave" but it could be more accurately called "The Hellmouth."

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

An extravagant monument to an extravagantly unpopular Emperor.

The famous boat that once ferried Bogart and Hepburn still floats in Key Largo after being abandoned for years.

The most decorated dog of World War I is preserved in the Smithsonian.

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.