Two well-preserved charcoal kilns survive in a remote part of eastern Nevada.

This abandoned asylum in Wales might look haunted, but it's still beautiful.

A rocky sea serpent hides caves, blowholes, and a spectacular natural bridge.

A subterranean playground in an abandoned slate mine.

The palatial McDonald's that inspired Wesley Willis.

A century-old network of freight tunnels underneath the city's historic business district.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

This series of rope-style bridges brings visitors into a jungle layer that is usually reserved for birds and monkeys.

This grounded passenger jet is now a restaurant, complete with rows of seats and “flight attendant” servers.

One of Indonesia's tallest, this waterfall takes a 390-foot plunge into the Lake Toba caldera.

A striking series of six bridges connect islands in Indonesia.

After a 2004 tsunami, this stranded boat was left in place.

This mile-wide crater high in the mountains of Indonesia is the largest gold mine in the world.

The unique design was created by the traditional way communal rice paddies were divided among the indigenous people.

It took 28 years to build this massive statue of the Hindu god Vishnu riding a mythical bird.

This Javanese-Hindu temple from the 15th century is unmissable for anyone with even a passing interest in erotic art.

Subterranean place of worship in Indonesia.

This massive complex is made up of hundreds of smaller temples that date back to the ninth century.

A crazy maze of a hostel, where every trap door and secret entrance brings you to a new wacky, wonderful room.

A Balinese resort, empty and trapped in time.

A mud volcano in Indonesia spews out 50,000 cubic meters of mud every day.

A hundred and twenty year old twelve story lighthouse located on a beautiful Indonesian island.