France's most famous cemetery, with some of its most curious tombs.

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

The narrowest street in Paris.

One of the world's first dedicated bank buildings in the world is now the oldest one.

The 19th-century home of Count and Countess von Hallwyl is now a museum.

The oldest church in the Estonian capital is home to over 100 fantastical cemetery coats-of-arms.

Only a fragment of this 15th-century Dance of Death survives today.

"There's nothing there," and other lies the KGB told us.

An unusual but excellent display created in the 1930s as propaganda against the Freemasons.

A hidden medieval crypt where a famous legend says the devil used to teach black magic.

A remarkable cabinet of curiosities in an art space in the center of Berlin.

Perhaps the most beautiful of preserved saints, with a little help from Paris.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

An honorary saint of the people, Maria Adelaide became an incorrupt corpse, the clothes intact, exhaling “a strong scent of roses.”

A hidden three-foot-wide house separates these two regal churches.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

This spooky statue sits outside a famous Prague theater.

Monument to a suicide protesting the Soviet invasion.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

A fake medieval village in the middle of Turin.

The astonishing collection of an infamous criminologist.

Thousand-year-old Viking runes adorn an ancient Greek lion at the entrance to the Venetian Arsenal.

The only museum with its curator—and her pets—buried inside.