This once-private estate is now a dreamy, meditative garden that's open to the public.

Finally, you don't have to be a pious Swedish seaman to relax like one.

The attic and basement house two museums stuffed with oddities like swallowed spoon handles and a shrunken head.

A perfect replica of the beloved show's first set.

This stone gatehouse was once the entrance to a historic mountain resort, and it had a cameo in a cheesy cult horror movie.

This small, hidden cove is home to abandoned boats.

Quite possibly the last cross all humans will ever see.

World's largest herd of white deer populate a former U.S. Army depot.

This Russian bar-restaurant lies within a three-story underground bathhouse.

This Orthodox Church's exterior is rather unorthodox.

You don't have to be an ambassador to dine like one.

Here, exhibits come with a side of edible history.

The abandoned ruins of America's first private zoo are open for exploration in the Catskills.

The abandoned grounds and derelict greenhouses of this once-magnificent Edwardian estate are now a nature preserve open for exploration.

Discover the taste of mold.

The preserved house of a jazz legend still echoes with his music.

In upstate New York, gorgeous waterfalls and a watermill are slowly being reclaimed by nature.

Just your average Marie Antoinette–themed speakeasy in an abandoned 19th-century subway tunnel.

Nikola Tesla's former home contains an homage hidden from plain sight.

A once grand hotel is being retaken by the wilderness it once capitalized on.

A natural gas leak provides a flickering flame beneath a waterfall.

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

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

This Buffalo museum hides an Art Deco gas station designed by Frank Lloyd Wright.