Famed for its pie, this eatery has a hidden tunnel that allowed Catholics to secretly walk to church during the Reformation.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

Known as the "Dodo Manège," this carousel features a herd of animals that have disappeared—or may be gone soon.

Go inside a revolutionary, cage-less zoo where 70 species of monkeys roam free alongside their human visitors.

A former zoo turned public park, where visitors can hang out in the old animal cages.

One of the last refuges of the endangered eastern lowland gorilla.

The home of half the world's population of critically endangered mountain gorillas.

Creating this diorama spurred naturalist Carl Akeley to begin advocating to protect the apes.

A King Kong-like gorilla hangs from the top of this commercial building in Tokyo.

Monkeys inhabit the lush forest surrounding ancient Mayan ruins once considered sacred.

It's good luck to be mocked by this monkey.

In Florida, these naughty monkeys live on their own mini-monkey Alcatraz.

Where monkeys run wild and the humans are caged.

Hot springs monkey spa in the middle of Hell's Valley.

Built in the Soviet era, this cableway system still runs gondolas from Odessa down to Otrada Beach.

The “Grand Canyon of Maine” is a three-mile gorge full of striking geological features.

A collection of birdhouses await curious motorists and avian squatters.

The debris forms a solemn memorial to those who died in a 1963 accident.

Books bound in human skin and H. P. Lovecraft's letters are among a few of the treasures this library has to offer.

The "Seinfeld" diner.

A rare view of a preserved Victorian science museum.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.