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

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

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

Site of the largest impact event to occur over land in Earth's recorded history.

These ancient pecked images are among the oldest and best-preserved in Mongolia.

Mongolian Buddhists believe this monastery in the Gobi desert to be the center of the world's spiritual energy.

Hidden treasures belonging to Mongolia's most revered and multi-talented monk spent decades buried in the Gobi desert.

The Uyghur settlement in the middle of a lake continues to raise questions.

People have been scribbling on this massive chunk of granite for more than 1,500 years.

Buddhist pilgrims journey to this sacred rock to leave offerings and have their wishes granted.

The southernmost outpost of the Russian Empire in colonial America.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

This super steep hike ascends 2,000 feet in less than a mile.

Buy your friend a drink or staple some cash to the wall for the next guy at the Salty Dawg Saloon.

It's hard to believe the dizzying patterns covering this abandoned mine are completely natural.

Gigantic natural towers in a Russian plateau.

The ancient remains of this natural fortress can still be found along the Silk Road looking surprisingly preserved.

Dinosaur eggs were first discovered at these fiery red cliffs.

An institution dedicated to curiosity, logic, riddles, and Mongolia's long history of puzzles.

Thousands of artifacts tell Mongolia's military history, from the Bronze Age to the present.

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

A mysterious phallic rock on the grounds of a Buddhist monastery.

History, geography, and shamanism meet in this eye-catching monument to the greatness of three empires.

The oldest Buddhist monastery in Mongolia has survived centuries of invasions, political shifts, and religious purges.