The legendary cliffside castle of three-time Voivode of Wallachia, Vlad the Impaler.

Notorious artist squat renovated into legal studios.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

A museum on the history of Paris, including a set of Napoleon's toiletries, Proust's room, and relics of the Revolution.

An abandoned Jazz Age dream home and con man's hideout in Death Valley.

Michael Heizer's masterwork in the Nevada Basin.

Odd outsider art installations surround a Gold Rush-era ghost town.

"Only the devil could play golf here."

Potential high level nuclear waste storage site for the next 10,000 years and beyond.

A small town Romanian cemetery filled with darkly humorous gravestones.

Remains of a station that only operated for one year.

World's largest crossword puzzle spans the side of a towerblock, its clues scattered throughout the city.

This beautiful natural train tunnel is said to grant the wishes of visiting lovebirds.