The quintessential Japanese rock garden has existed for more than 500 years.

1,001 carved statues of the Buddhist God of Mercy, each with a unique face.

This Buddhist temple is home to the graves of the Japanese national legends, the 47 Ronin.

A 20-meter (65-foot) robot towers over Tokyo Bay.

The original "capsule building" is a masterpiece of Metabolist architecture.

This 700-year-old street food market features baby octopus and soy donuts.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

The abandoned tanks along this highway are all that remain of a deadly conflict.

Known as "The People's Park," this verdant oasis is home to elephants and villagers alike.

Unexplained bald patches in the landscape grow and recede over time, as though they are somehow alive.

This fairy tale-themed amusement park is now abandoned, and childhood metaphors abound.

An abandoned gun-funded 19th century utopia.

Ruins of a historic medical facility sits eerily by the water.

An iconic steel and chrome diner from the 1940s left empty for nearly 20 years is in danger of being demolished.

This abandoned psychiatric hospital once housed more than 4,000 patients in the middle of a quaint New England town.

The once abandoned ruins of a Victorian beachside amusement park are now back in working order.

Underground tunnels remain beneath this abandoned mental asylum.

The rusting remains are visible sticking out of the waters of the Delaware Bay.

Several times a year, during low tide, two pairs of historic train tracks are revealed on this New Jersey beach.

World War II bunker still standing on the New Jersey beach.

19th-century operating theatre in which the use of ether was first demonstrated - plus, a skeleton and a mummy!

A mysterious, abandoned building rotting on the Brooklyn waterfront.

Manhattan's Thirteenth Avenue was made on landfill then deliberately destroyed — apart from one small, obscure block.

These historic buildings once housed the headquarters of one of the most infamous gangs of New York.