Centuries-old bridges grown from tangled roots.

Furniture tries to escape an abandoned building in San Francisco.

Berlin's old airport.

A 20-meter (65-foot) robot towers over Tokyo Bay.

One of Scotland's most important modern structures, it just made the '100 Most Endangered Sites' list.

Scenic mount trashmore, Virginia Beach's most curious waterfront still has a couple of secrets.

A curious friendship between two inanimate ladies.

"Only the devil could play golf here."

Creaky dinosaurs grow in the backroads of Monmouth County, New Jersey.

17,400 lbs., 12 feet in diameter, and 29 years in the making.

A stunning landscape of bunkers that once stored chemical weapons.

A Museum of Psychiatry in a still-operating mental institution.

What better place to take a seat?

Source for a sizable portion of Egypt's freshwater supply is more than an optical illusion.

The enigmatic and seldom visited ruins of a Mayan city-state.

Everything from a plane to your own two feet are needed to reach this jungle resort.

Every equinox this Maya pyramid puts on a spooky ancient light show.

The only tower of an aerial tramway standing over a ski-lift.

The only electricity pylon under whose legs you can go by boat.

A collection of unique outdoor sculptures surounded by the beauty of nature.

Budapest's Communist-era statues, banished to the suburbs.

It houses the remains of a 17th-century version of the Titanic.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

A place where the laws of nature seem to have gone completely berserk... but of course haven't.