Between Neo-Pagans and Neo-Nazis, these strange rock formations have a curious cult following and a very strange history.

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

The 1936 Summer Olympics site is a crumbling remnant of sportsmanship and a history its host country would like to forget.

A sprawling Baroque park with 300-year-old hydro-pneumatic waterworks.

A wunderkammer of mysterious objects and stories.

Art and a pun, all in one.

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

The fairy tale castle of the "fairy-tale king."

Ruins of a German Castle on top of a towering stone pillar.

The birthplace of an eccentric alchemist and possible inspiration for the fictional reanimator of monsters.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

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

An eerie, derelict amusement park in Berlin.

The sister plane of the C-123 shot down during the Iran-Contra Affair has found a new purpose in retirement.

Costa Rican accommodation resembles a crash site, but with a nice balcony.

One Costa Rican island is so beset by illegal shark poachers that the local rangers have built an entire bridge with their confiscated gear .

These mammoth-yet-narrow crevasses in the Earth are perfect for taking an otherworldly swim.

Georgia's answer to Easter Island immortalizes the nation's great poets, artists, and leaders in stone glory.

A reliquary of pop culture marvels, including the world's largest (and most terrifying) Jack-in-the-Box.

A collection of haunted artifacts chronicles the career of the world's most famous paranormal investigators.

New London, Connecticut still holds a grudge against its hometown son who turned traitor and burned the city.