The fountains of the U.S. Navy Memorial are annually salted with water from the Seven Seas as part of a nautical ritual.

It was once the base for a series of domestic terror attacks.

The 15-foot-wide, 2-ton pan fries hundreds of chickens once a year.

A curious collection of oddities including a lock of Alexander Hamilton's hair and Harry Houdini's ouija board.

From failed port town to Civil War fort, the ruins of this former defense saw their finest day in the television age.

Underground farm located in a former bank vault deep within the bowels of Tokyo's business district.

Serving you alcohol with a side of insanity. Also, costumes!

A Japanese concept restaurant that feels like a party thrown by the monsters in your closet.

Cabaret where the show girls are all androids, and the patrons couldn't be more pleased.

A Buddhist temple to honor insects that died for science.

Once a black market electronics marketplace, now an otaku shopper's paradise.

A tiny cafe that recreates the Japanese elementary school lunch experience.

For hundreds of years, participants in this Japanese festival have been making babies cry to ward off demons.

Every color in the rainbow awaits.

It's always summer at the beach inside this former airship hangar.

What was once an underground Nazi city is now Europe's largest bat reserve.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

A natural wonder in south Denmark.

Terrifying derelict military hospital once housed a recuperating Hitler.

Germany's Glienicke Bridge has a shady history of clandestine meetings, espionage, and spycraft.

The ruined remains of the airport Claus von Stauffenberg departed in his failed attempt to kill Adolf Hitler.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

The site of good faith and good nature in the fictional world of Kcymaerxthaere.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.