Resonant stone, that has been played since prehistoric times.

A shrine of fire worship built on top of a natural flame.

Mysterious hillside with a continuously burning natural fire.

A gigantic collection of teeny, tiny books.

Home to nearly a third of the world's mud volcanoes, Azerbaijan is home to a messy, bubbling, and sometimes explosive landscape.

This adorable birdlike police box is designed based on a play on words.

Shrine dedicated to boars that is believed to cure foot and leg injuries.

More tin toys than you can shake a clapping monkey at.

A sobering scientific reminder of the human damage caused by the advent of the nuclear age.

A King Kong-like gorilla hangs from the top of this commercial building in Tokyo.

The giant figure on the back of this turtle-shaped temple actually hides a memorial pendulum.

Devoted Buddhists can earn enlightenment in the next life by crawling through this symbolic nostril.

Colloquially known as “piss alley,” this narrow street filled with tiny bars and barbecue stands looks like it was pulled straight out of “Blade Runner.”

A shrine contains nearly 200 statues of the Buddhist deity Jizo, dressed in bibs by parents who have lost a child.

This little replica of Lady Liberty provides a bit of NYC in a Japanese city.

Bombed and burned, this monument represents the often controversial ties between Vietnam and Cambodia.

The largest mosque in Cambodia was built to unite the country's Muslim community but soon sparked division and controversy instead.

Originally a meeting place for foreign correspondents and war reporters, the FCC remains an atmospheric spot for sunset drinks in Phnom Penh.

The Hanshin Expressway goes right through its 5th, 6th, and 7th floors.

Khmer Rouge's high security prison.

The capital of Cambodia is named after the hill on which this ancient temple complex stands.

One of the biggest markets in Asia, under one of the continent's largest domes.

This impressive clifftop temple was once at the center of an international custody dispute.

5,000 skulls in memorial to those killed by the Khmer Rouge.