This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

Rebuilt remains of a temple to Roman god Mithras.

Panorama exhibition hall in old silent theater with a beautiful backyard garden.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

The curiosities and wonders of pharmacy in a delightful historic building.

More gold than anywhere else, ever.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

Two thousand artifacts from around the world collected by one woman who loved to travel.

Experience park where visitors are told to expect the unexpected.

The magical, mossy forest that inspired Princess Mononoke.

This massive wooden building contains a giant Buddha, healing pillars, and tame deer wandering the grounds.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

A book collector's dream, this Toronto bookstore has the world's first "Biblio-Mat," a random book vending machine.

This semi-secret storybook hedge maze is also the oldest garden in the city.

An alchemist's "magic door" stands in the middle of a Roman park.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

If Hello Kitty were Mickey Mouse, this would be Disneyland.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

A hotel and restaurant serving as the mecca of kitsch.

One part local history, 99 parts gruesome haunted house.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

This strange seaside tower got its name from a wealthy eccentric who would hide coins among its stones.