A 19th-century subterranean reservoir repurposed as a contemporary art cave.

Weird wax anatomical models reside here, as do other anatomical specimens.

One of the oldest medical collections in Europe focusing on rare surgical instruments.

The largest medical and anatomical collection in France lies hidden from the public.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

World's largest collection of serial killer artwork and other macabre exhibits.

Where the leftovers of love affairs can live on forever.

Where the lovelorn find a home for their sentimental keepsakes.

This narrow shop in the East Village hosts a matchmaking service for the new millennium.

Since 1874, this macabre collection has developed into a museum devoted to Scotland Yard's mementos of dastardly deeds.

A secretive collection featuring objects that were designed specifically for U.S. intelligence operations.

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

Arrr! The most authentic collection of pirate artifacts in the world... matey.

It's a pretty creepy lock-up.

A uniquely robust and historic look at Mexico's omnipresent dance with Death.

1,001 carved statues of the Buddhist God of Mercy, each with a unique face.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

The quintessential Japanese rock garden has existed for more than 500 years.

When this massive wooden temple ran out of rope, they made one out of devotees' hair.

This neighborhood thoroughfare is haunted by dozens of homemade monsters.

Burial mound for the ears and noses of thousands of mutilated Korean soldiers.

This 700-year-old street food market features baby octopus and soy donuts.

The Buddhist temples of Yamadera, built into a mountain side, feature a viewing deck with sweeping views.

The self-mummified monks of Japan.