The center of this Polish border town was so thoroughly wiped out in World War II that only the foundations remain.

This region of Slovakia boasts some of the most plentiful opal mines in the world.

The Natural History Museum that time forgot.

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

This massive underground salt mine now holds a sci-fi theme park in its depths.

According to a local legend, this old castle could only be built after a woman was immured in the walls.

The bust of Romania’s most notorious ruler, Vlad Dracula aka "Vlad the Impaler," keeps watch over the ruins of his medieval court.

The legendary cliffside castle of three-time Voivode of Wallachia, Vlad the Impaler.

This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.

Late at night, the bust of the "Dracula" actor was snuck onto the facade of this Budapest castle.

A taste of the macabre Tokyo's ritzy shopping district.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

Also known as the Blue Church, the building was consecrated to the daughter of Andrew II.

An unusual cave filled with rare alien-looking aragonite formations.

An extraordinary museum devoted to the pop art legend created by Slovak artists.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

The world's newest astronomical clock is also its most accurate.

This spaceship sculpture in the middle of the Slovakian capital looks like it just crash-landed.

The 700-year-old fortress was the site of Count Orlok's castle in "Nosferatu."

A unique hotel for the artistic soul.

The giant metal fruit was once the symbol of a large farm.

A miniatures park with a model of Wolf's Lair as it looked during World War II.

People in Poland have rallied to save this unnatural desert from being reclaimed by the forest.

A stone in Wolin, Poland, marks the possible location of a legendary Viking fortress.