A 70-foot-deep ice cave formed by lava from Mt. Fuji on the edge of Japan's "Suicide Forest." 

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

Stelae-eyed stones greet visitors to a corner of Kirov Park.

Beatlemania is still going strong... at least in Kazakhstan.

This sprawling market is a one-stop shop for traditional Kazakh foods, from mare’s milk to sheep’s head.

The remains of a monument in the remote Kazakhstani desert dedicated to the only men to die in outer space, the crew of the Soyuz 11 rocket.

This aquarium has almost as many world records as it does fish.

Rainbow-hued in the summer and crystalline in the winter, this salty lake has inspired battles, temples, and plenty of awe.

China’s breathtaking futuristic library is lined floor to ceiling with fake books.

Complete town of 5,000 living out at sea on the world's first offshore oil platform.

A tiny museum dedicated exclusively to the tiny art that decorates matchboxes.

This elevator was built in 1907 to connect two neighborhoods separated by a steep, rocky cliff.

It's believed that this small church was connected to the Hagia Sophia via a secret tunnel.

This museum was invented in a novel before being made real by the author.

Live a night as a Byzantine King, with a minibar and private jacuzzi.

Naturally protected city carved from a rock face.

Roman ruins top white travertine terraces formed by ancient hot springs.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

A striking symbol of the Bulgarian capital.

A statue of traditional Kazakh dancers adds some beauty to this Soviet-era mining city.

Granny Smiths and Fujis can both be traced back to Kazakhstan, where apples still grow wild.

Calcium-rich water has turned the water and rocks of these Philippines falls slightly green.

Walk through a clothing store, across a courtyard, and up several flights of stairs for delicious coffee with a side of beautiful views.

This bridge made famous in a novel and on-screen wasn't actually built over the river Kwai.