Stunning examples of Russia's 18th-century wooden architecture.

A deteriorating 1990s Girl Scout camp in a beautiful lush park on Lake Ontario.

Nature took her revenge on the "Wickedest City in the World."

A town church once nearly submerged by the damming of a river is now hauntingly visible as the water recedes.

This 14th century castle withstood years of battle but is now sliding off the hills into the Danube.

A flooded Mexican cave that hides a river beneath the water.

This remote lake in Siberia supposedly contains a fearsome sea monster.

Once an indicator of social class, the color blue has come to define this city on the edge of the Thar Desert.

The deepest hole drilled in the name of science, where evidence of Precambrian life was found.

A fiery crater has been burning in the Karakum Desert since 1971.

A miraculous natural phenomenon known as "the spring that breathes."

This shallow pit was once used to send over 20,000 buffalo plummeting to their death.

Miraculous tree that seems to sprout out of solid rock.

A monument to the egos of two railroad magnates that fell into decline along with their careers.

One man's ambition created this psychedelic log home.

The easiest way to the highest point in Wyoming is only accessible via one hefty fee.

A century-old cabin off of Highway 30 touts an unusual construction material: dinosaur bones.

The remote outlaw hideout of Jesse James, Butch Cassidy, and the Sundance Kid.

At one time this small mining village was the highest town in America but now it sits abandoned while the mine churns on.

Once an unstoppable source of gold and silver, this town came to a grinding stop when the groundwater proved deadly.

This Colorado hiking trail provides a small gold mine of abandoned gold mines.

The scene of one of the darkest moments in American labor history has been left essentially untouched since the tragedy.

Silver in the hills led to the speedy creation of this boom town and a lack of it saw the town abandoned nearly as quickly.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.