Built to test magnetically levitated elevators, the tower also boasts Germany's highest visitor platform.

This German bone house contains the remains of some 20,000 souls.

Seven mini rowhouses fill the gap between 54 and 70 Westerstraat.

Where royalty waits in the height of luxury.

A preserved building where the dead were once watched for signs of life.

Portraits of musicians line Oude Binnenweg, the jazziest street in the city.

A massive stone fox oversees a Rotterdam elementary school crosswalk.

The former home of a trailblazing surrealist is still filled with haunting dolls and grim paintings.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

An abandoned underground bunker not far from downtown New Orleans.

The oldest operational cathedral in the U.S. has one shell of a way of projecting speakers' voices.

The curiosities and wonders of pharmacy in a delightful historic building.

France's national museum of scientific and industrial instruments.

A museum of magic with a Sadist past.

The very center of Paris is surrounded by a bevy of strange good luck rituals.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Abandoned railway line circling the city of Paris.

Artifacts fill the old headquarters of the hugely influential political movement to ban alcohol in the United States.

A dozen U.S. presidents have stayed at the historic resort, which was known as James Buchanan’s “Summer White House” from 1857-1861.

This shrine dedicated to the Virgin Mary is also a tribute from a mother to her fallen son.

This shale formation along the Appalachian Trail once inspired the third president of the United States.

Underground vaults of a former brewery beneath Brooklyn's Crown Heights are now used to ripen cheese.

Hot Doug's "Hot Dog" Stand.

Visitors are welcome to enter this lush Key West sanctuary to entertain its plethora of rescued parrots.