The world's brightest bioluminescent bay.

An isolated dive site teeming with cnidarians.

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

A Buddhist temple to honor insects that died for science.

Charles Babbage's proto-computer, painstakingly brought to life.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

A special shop catering to the needs of things that go bump in the night, and also helps kids become writers.

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

Once a black market electronics marketplace, now an otaku shopper's paradise.

Japanese island famous for poison gas and fluffy bunnies.

The oldest hotel in the world has been operated by the same family for over 1,300 years, even catering to samurai.

This massive library holds what was once the largest book collection in the world.

Pompeii's less famous neighbor is still revealing her secrets.

This lab's maddening silence is good for business but bad for sanity.

Thousands of exquisitely carved stone water storage wells, hundreds of stone steps fill this exquisite medieval stepwell.

Stunning wetlands ablaze with pink lotus flowers.

Northern Ireland's Brobdingnagian stepping stones.

A submerged archeological park still holds the wonders of a Roman Sodom.

Famously misunderstood wonder of the ancient world

A massive underwater sinkhole made famous by Jacques Cousteau.

An Australian lake whose pink hue defies scientific explanation.

A fiery crater has been burning in the Karakum Desert since 1971.

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

An ancient capital city that dates back 3,000 years old and harbors many surprises.