Legend says these stone structures are where the doomed citizens of a vanished village sent themselves to die.

Chronicling the history of Thailand’s unique currencies, from the silver “bullet money” to porcelain gambling tokens of various shapes.

This stunning iron gate designed by Modernist architect Antoni Gaudí is filled with mythic symbolism.

This Funeral Hearse Museum represents the finest in cadaver transportation.

A stately palace has been converted into the world's largest cannabis museum.

A little lighthouse in New York City, surrounded by mysterious stories of insanity-driven construction.

A good place to research the Freemasons, esoterica, occultism, and hermeticism.

This restaurant combines two Finnish traditions in one place: warm-weather relaxation and outdoor carpet-cleaning.

This piece of Australian modern art is part joke and part history.

Its front wall is striped with a menagerie of fantastic beasts and magnificent monsters.

This newly renovated Soviet-era outdoor exhibition center is bigger than the principality of Monaco.

Stripes of human ashes cover a back lawn in the most sought-after burial grounds in Paris.

This little-known relic crypt holds stolen parts of a Roman Empress.

The recovered bones of martyrs slaughtered during The Terror are on display in this church crypt.

Remains of Roman amphitheater hidden in a sleepy quarter of Paris.

This museum in a Paris apartment gives a unique look at the iconic French singer's life.

Why a column on the entrance is inscribed with a verse from the Quran is one of Sicily's many mysteries.

Cave shrine on Monte Pellegrino.

An early Portuguese serial killer's head is alarmingly well preserved in a jar at the University of Lisbon.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

Social outcasts and cannibalism in Stalin's Soviet Union.

Once frequented by heavyweights of the Russian arts scene, this café is stuck in the 1800s.

Russia's own leaning tower was built on a tragic historical fable.