Two Civil War-era cemeteries stuck between runways at the world's busiest airport.

This wondrous hideaway is suspended in a bamboo forest above a sanctuary for rescued llamas and alpacas.

One-of-a-kind museum inside the first Boeing 747-400 ever made.

Potato-peeling mannequins, Inca art, and a dangling tuber mobile help trace the history of fries at this Belgian museum.

The world's oldest rose is so tough it survived being bombed in World War II.

Massive puppet-automaton machines created by French artist collective Machines de l’Ile.

Museum in a swimming pool where the water still flows.

An astounding collection of taxidermy, fossils, skeletons, and even a few strange live beasts.

Tables of secondhand books fill the inner courtyard of this 17th-century stock exchange.

Race through the maze, get your name on the sign.

Once home to over 8,000 exiled Hawaiians suffering from Hansen's Disease.

A Hawaiian stairway to heaven—that you can't climb.

This mom-and-pop Japanese sweets shop has been serving cloud-light mochi for almost a century.

The London statue that imitates passersby.

An archive of ceramic eggs painted to record clowns' personal makeup designs.

This small collection of rare books was uniquely locked up for safe keeping.

The majority of the museum's large collection is held in a storage space open to the public a few times a year.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

Classic game cookery takes center stage at what's widely considered London's oldest restaurant.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

The library houses an incredible collection of some of the world's most impressive books and manuscripts.

Claiming to be the oldest hat store in the world, this historic haberdashery had a hand (and a head) in the creation of the Bowler.

A hidden treasure in London with a rich medieval history, and the resting place of many luminaries.

English antique dealers with a taste for the unusual.