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

A futuristic hovertrain is parked unceremoniously alongside a nondescript road.

Likely the first car with an internal combustion engine constructed in the United Kingdom.

Though it's not the largest, this one-kilometer outdoor market is reportedly the longest in Europe.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

A misunderstanding gave this 18th-century racehorse a most amusing name.

A geothermal energy project gone wrong is fracturing the city's picturesque architecture.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

The world's brightest bioluminescent bay.

This huge pile of volcanic boulders hides a stunning network of secret grottoes.

Rumored to be the famed pirate's lookout tower, this historic stone structure is now just watching for tourists.

An overlooked marble is the only surviving in-place 18th century example of the measurement that changed how we define distance.

A museum of carnival attractions where you are invited to ride the rides.

The location of the Bridge of Death and the Gorge of Eternal Peril in "Monty Python and the Holy Grail."

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

With only one flight in and out a week, the unfenced runway at this small island's airport transforms into a seaside park for locals and visitors.

The oceanic dumping ground where spaceships go to die.

At the point of oceanic inaccessibility, you can't get farther from dry land without leaving the planet.

The spectacular history of spectacles on display.

A set of seven houses, each built in a style that represents a European country.

The former headquarters of history's oldest megacorporation.

This vast collection of smoking pipes from across the world spans centuries.

The last of Amsterdam's original sea level markers remaining in place.

Amsterdam's narrowest house facade is a monument to 17th-century tax evasion.