This crumbling Art Deco movie palace in Mexico City has been abandoned for two decades.

This maximum-security prison was abandoned to make way for a national park.

Naked scientists race around the pole in the frigid cold to try to join Antarctica's exclusive 300 Club.

Natural time capsule containing an alien ecosystem.

An abandoned whaling station on an active volcano offers hot springs in Antarctica, surrounded by ruined giants of industry.

A pair of oily black spiders lurk inside South Korea's largest airport.

This 317-ton walkable art installation is an homage to Korea's "City of Steel."

One of only a handful of seaside temples in Korea, this sacred space is home to a legendary healing Buddha statue and a traffic safety prayer pagoda.

It’s a bug’s life at this Korean eco-event park, built to host an annual butterfly festival.

Along a rail-biking route, giant insects house a two-story restaurant.

Various forms of phallic art decorate this hill in commemoration of legendary local tragedy.

South Korea's only sex-themed park.

A 32-acre fun park dedicated to all things cheese.

An abandoned hotel in the highlands of Bali is shrouded in stories of ghosts, curses, and corruption.

Once swallowed by flood waters, this village has emerged as an eerie shadow of its former self.

Some 20,000 dust-covered unwanted vehicles languish in the desert.

An abandoned saucer-shaped monument in the Bulgarian mountains.

Surreal riveted sea forts once protected the Kent shores from German attack.

A desert settlement founded and later abandoned by Hawaiian members of the Church of Jesus Christ of Latter-day Saints in Utah's Skull Valley.

An Italian hillside ghost town.

Nine of the very few concrete ships ever made in the U.S. are beautifully decaying off a Virginia pier.

A creepy, deserted mock Arabian village can be found in the middle of the Qatari desert.

Odd outsider art installations surround a Gold Rush-era ghost town.

A series of five defunct panopticon prisons in Cuba.