An abused and forgotten metropolis, abandoned for centuries.

This small shrine is dedicated to the designer of the first Russian fighter jet and his brother, who became Chairman of the Presidium of the Supreme Soviet.

A sobering scientific reminder of the human damage caused by the advent of the nuclear age.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

Each year melting snow turns these Austrian hiking trails into scuba zones.

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

The huge collection of paintings of the American West is one of Denver's best-kept secrets.

Wall to wall taxidermy at Denver's oldest and most exotic steakhouse.

This hidden stream beneath Indianapolis makes an appearance in the best-selling novel "Underground Airlines."

This centuries-old gothic monster has been converted into a sprawling, glossy bookstore.

This historic, palatial theater is now one of the world’s most beautiful bookstores.

This nostalgic Russian museum is full of USSR cultural artifacts from the 1970s and 80s.

This building holds the embalmed remains of the leader of the Bolshevik Revolution.

Former headquarters of the KGB.

An 18th century wonder of the world, lost in WWII, re-created at the Catherine Palace.

Rare documents, old instruments, and gruesome specimens showcase the history of military medicine.

This gorgeous space is England's largest independent library outside of London.

The oldest of the three remaining bridges in England with buildings on top of them.

Some call this eerie forest of crooked trees the "Bermuda Triangle of Romania."

The ruins of an abandoned church loom within a picturesque Ukranian village.

Incredible rock formations jut from the southern end of this spectacular stingray-viewing spot.

Elaborate tile work in this railway station tells the story of Portugal.

The tallest outdoor elevator in Europe rockets passengers on a dizzyingly precarious ride to the top of a mountain.