A flight of this "ghost staircase" has 40 steps on the way up, but only 39 steps on the way down.

This 170-year-old Swiss guesthouse built into the side of a mountain is best accessed by a cable car.

The largest lake in the Faroe Islands seems to be held hundreds of feet above sea level thanks to an optical illusion.

Iceland's largest geothermal mud pool is a little bit haunted and a little bit dangerous.

This once-popular otherworldly landscape was formed by one of the largest volcanic eruptions in history.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

There are two legends behind the origin of this unusually tall sanitary structure.

A solitary tree has grown up all alone on Lake Wānaka, backdropped by the beautiful Southern Alps.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

A breathtaking viewing platform over the Alps.

Over a thousand feet beneath the Detroit streets is a subterranean metropolis few are allowed to enter.

When the town wouldn't allow the fast-food behemoth to build a new restaurant, they put one inside an 1850 home.

Eyam took steps to quarantine themselves and keep the plague from spreading.

The only thing sweeter than the potatoes is the canine proprietor of this roadside stall.

Designed as a labyrinth, this subterranean prison was crafted without bars or doors.

A ship that lived many lives under many names is now known merely as the "Ghost Ship."

One of Detroit’s oldest blues clubs stands in defiance of the passage of time and the city’s shifting fortunes.

Nestled in an unassuming residential area, this "forbidden forest" is rumored to spirit away those who dare to enter.

Locals call this magical moss-covered walkway the "Emerald Path."