The remains of Crystal Palace Great Exhibition of 1851.

A vast overgrown cemetery, once known as one of London's "Magnificent Seven."

Rebuilt remains of a temple to Roman god Mithras.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

A sculpture of a famous ape who was once a beloved household name in London.

A kaleidoscopic warehouse-maze of handmade neon signs.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

Artists and musicians now rule over this former rail station.

A little slice of Japan and its aesthetics in London's Holland Park.

Catacombs turned marketplace.

This massive, Edo Period, coin-shaped sand painting is believed to be a source of great luck.

Nestled amid the trees lies an abandoned funicular railway that dates back to the 1920s.

"The Dance of Fools" is Japan's largest dance festival.

This ancient shrine has been rebuilt every 20 years since the eighth century.

The Buddhist temples of Yamadera, built into a mountain side, feature a viewing deck with sweeping views.

These tiny pine-covered islands have inspired art and poetry for centuries.

Founded over a thousand years ago, this shrine is said to be built on the site of a warlord's harem prison.

A small Japanese village claims to be the final resting place of the son of God (and God's other son's ear).

This mountain's identity is stuck somewhere between a nightmare and a scenic tourist attraction.

The self-mummified monks of Japan.

Hot springs monkey spa in the middle of Hell's Valley.