Built entirely of interlocking pieces, construction of this Chinese Muslim house of worship required zero nails.

Submerged trees jut ghost-like out of an idyllic turquoise mountain lake.

Glacial lake that mysteriously empties itself every year.

The giant Siberian crater known locally as the "doorway to the underworld" is expanding every year.

A "station to nowhere" marks the site of a Siberian subway project that never saw the light of day.

This unique wooden mosque resembling a Chinese pagoda was said to be built without the use of nails.

The best place for scenic views of the DMZ and North Korea.

The tiny statues form China's only known terracotta army from the Han dynasty.

Stalin's prisoner-built rail line sits in ruin, never having a single car ride its tracks.

A collection of Lenin busts and other Soviet Era statues sit idly behind the Semipalatinsk Hotel.

Five mile wide circular ring of rock in the Russian Far East is a curious geological oddity.

Fascinating early attempt at a Jewish autonomous settlement.

Stelae-eyed stones greet visitors to a corner of Kirov Park.

This cuddly rodent has a place of honor at a Russian institute for genetic research.

Where the Great Wall of China meets the sea.

A remote forest of stone pillars along the Lena river.

One of the world's largest ice festivals dazzles visitors for over a month with radiant sculptures and carvings.

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

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

Unusual, mushroom-like rock formations caused by weathering and water erosion, set to disappear, according to geologists.

The grassy landscape is home to the world's last truly wild horses.

Enormous statue of the Emperor of the Mongols.