Below a historic English market town lies a secret underground city complete with kitchens, laundries, storerooms, and an underground lake.

Once a bustling fishing port, this semi-ghost town is now more than 90 miles away from the shore.

Nightmarish example of the unintended consequences of weapons testing.

A man-made island fort that has housed soldiers, scientists, and ravers.

A small island with no monkeys but plenty of military ruins.

White beach sands made of the remains of tiny, star shaped creatures.

America's only nuclear missile silo open to the public.

Cold storage for agricultural biodiversity.

This abandoned mining village was predicted to resist decay longer than any other modern human settlement.

Buried five stories underground, this Soviet bunker is packed with gas masks and Cold War paraphernalia.

In the land of the Light Brigade stands a testament to the Cold War.

Secret North Korean passage discovered below the world's most dangerous border.

This North Korean pegasus statue was built as a symbol of the speed and perseverance of North Korean workers.

The divine septet of Japanese fortune gods are rendered in 1,000 year old wood at this peaceful site.

Japan's largest and oldest annual procession of floats, begun in 869.

A giant robo-cockroach building devours Tokyo.

"Singing sands" and the world's largest hourglass reside near Japan's Kotogahama beach.

A rare festival blending religion, blacksmiths, vagina dentata, sex workers, and the straight-up facts of life.

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

A derelict New Zealand-themed amusement park in Japan.

On Japan's Tashirojima Island, cats are king.

An Icelandic island full of diving birds and legend.

The largest volcanic caldera in Japan holds an entire city in its maw.

Each year this Japanese temple overflows with scowling, bearded good luck talismans.