A castle hand-built by a Spanish dreamer in the Australian tropical jungle.

In DeWitt, New York, a blanket-wrapped gas station makes a creative statement on global dependence on oil.

Town full of spiritualists, some of whom are mediums, is still in full swing after 130 years.

A giant robo-cockroach building devours Tokyo.

White cockroaches and other cave species occupy this massive series of lava tubes.

Once the most densely populated place in the world, this island is now a ghost town.

Super-heavy Nazi architectural experiment.

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.

A walk through the historic city center, under the streets of Seattle.

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

A curious friendship between two inanimate ladies.

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

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

What better place to take a seat?

Remember that scene in the Matrix, when Neo is in the big white room with all the weapons flying by? Well, this is what it would look like if he had wanted trees instead of guns.

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 electricity pylon under whose legs you can go by boat.

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

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

Hot Doug's "Hot Dog" Stand.