The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

The second largest roadrunner in the world stands 11 feet tall in his West Texas town.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

Spend your honeymoon where the Devil had his wedding.

"There's nothing there," and other lies the KGB told us.

A black cat protests the City Guild in Riga's Old Town.

Flamboyant architecture from the turn of 20th century.

3,000 market stands in five former Zeppelin hangars.

An old hill fort covered in over 100,000 crosses is a symbol of Lithuanian nationalism and beliefs.

A museum glorifying the life of Stalin, located in the city of his birth.

Fortified homes of highland warriors that are still in use today.

Ancient rock-hewn town that witnessed key events of Georgian history.

Unusual building appears to be haphazardly built from randomly piled bricks.

A forgotten remnant of the Soviet Union, Transnistria is an unrecognized country hidden behind a heavily militarized border between Moldova and Ukraine.

A symbolic graveyard for the villages that perished during the Nazi invasion of Belarus.

The apartment building where JFK's assassin lived after defecting to the Soviet Union.

A striking Soviet memorial commemorates the liberation of Belarus from the Nazis.

Remains of the old fortification along the Western border of the USSR, now an elaborate defense museum.

Thanks to its heroic service during WWII this Soviet castle has been turned into a monument towered over by a brutalist titan.

One of the largest museums in Ukraine remembers the story of the German-Soviet War in iconic, brutalist style.

340-foot statue built to honour the Heroes of the Soviet Union.

A castle perched precariously over the Crimean Sea.

This derelict superstructure was a very important warning system for the Soviet military.

This attraction was abandoned after the Chernobyl disaster.