Forgotten German bunkers in China create a sharp cultural contrast.

A thriving artist's wonderland located just 6 kilometers from Korea's DMZ.

A tunnel dug through the side of a mountain by hand provides convenient yet death-defying access to a small village in China.

These layered sandstone mountains in China look like they are made of pressed crayons.

This abandoned-looking amusement park is frighteningly open for business.

This Chinese museum proves that it's a watermelon world, we're all just living in it.

A fifth-century temple improbably built into the side of a cliff.

North Korea's massive art and propaganda factory now has an official gallery space in Beijing.

This probably wasn't what Mao had in mind.

The most famous location in China was home to whole dynasties worth of imperial rulers.

A progressive LGBTQ hub offers dancing, HIV testing, art, and more.

This working replica of the 'Friends' coffee shop is more accurate to the show than the set itself.

A part of the world's largest marsh seems to be growing bright red Martian grass.

Beijing's version of Disneyland, completely abandoned, mostly destroyed.

The world's longest outdoor escalator takes visitors to the top of China's largest dam and is also shaped like a dragon.

Siberian ghost town built by gulag prisoners.

A remote forest of stone pillars along the Lena river.

What was once the base for Russia's first nature reserve is now a ghost town, right on the shore of Lake Baikal.

The world's second-largest excavated hole.

This Nazi ruin was the site where Hitler was almost blown up by a suitcase bomb.

Crosses of all shapes, sizes and colors litter the mountain, the site of a huge yearly Orthodox pilgrimage.

Man-made mineral caves house massive bat colony.

Just another terrifying garden filled with hundreds of endlessly smiling doll people.

This abandoned secret city is a crumbling wonderland of Soviet ruins.