Where the high court feasted, frolicked, and high courtesans put their royal lovers' diamonds to the test.

This innocuous-seeming building is actually the remnant of a major wartime brothel.

An unusual number plate signifies the building's saucy past.

A small town hallucinates en masse - Bad bread, or CIA science project?

The only intersection in America where the buildings on all four corners were built pre-Revolutionary War.

A 300-yard long natural tunnel runs through a ridge deep in the Appalachian Mountains.

This ancient village and its adjoining cemetery have a beautiful history of death and remembrance.

The world's first museum dedicated to the work of game-changing naturalist Charles Darwin.

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.

This impressive tunnel was dug entirely by hand over the course of 36 years.

A recreation of the doomed ocean liner in the middle of the Smoky Mountains.

Saintly bones pressed into a wax effigy of a Catholic superstar.

A museum and doll store featuring a surreal and super sanitized version of where babies come from.

A hyper-luxurious, 12,000- square foot home might be buried beneath Queens, still waiting to protect you from nuclear missiles.

A table rock formation that has been intriguing West Virginians for years.

This abandoned-looking amusement park is frighteningly open for business.

Pitié-Salpêtrière was the dumping grounds for women who received the dreaded diagnosis of "hysterical."

Modeled after the labyrinth in Chartres Cathedral, this small-town Indiana memorial labyrinth sits half a world away.

Behind the pink curtain, Au Bonheur du Jour, an art gallery of erotic archives.

A Belle Epoque bordello turned into a themed love hotel.

A grotto-like lodge decorated with gilded mosaics, rocks and a noisy waterfall was the setting for the most sumptuous pleasure house of 1900s Europe.

16,500-acre ranch filled with American heritage, geological wonders, and a giant pile of tires is the crown jewel of an intriguing tug-of-war.

The final resting place of the Emperor of the United States and Protector of Mexico.

King Ludwig I's collection of beautiful women.