A war-torn Olympic relic is being overtaken by graffiti and nature.

A little sculpture with a large wardrobe.

This ominous Albanian fortress houses tanks and downed planes as a reminder of their victories over Western imperialism.

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

Hundreds of thousands of concrete bunkers crowd Albania long after the fall of Communism.

Few of the many visitors to this resort town know of its hidden Maya ruins.

The enigmatic skull gazes out over the ruins of a once-great Mayan city.

An elaborate Mayan city shrouded in alien conspiracy revealed the tomb of Pacal the Great.

The masses at this church incorporate enough moonshine and animal sacrifice that they are no longer recognizably Catholic.

The "world's smallest volcano" has been used to store meals and dispose of dead bodies.

A Volkswagen Beetle decorated with millions of beads connects Mexico's past and future.

This 16th-century church now has a heavenly second life as a cultural hub of Pátzcuaro.

The ruins of the bathhouse used by the ill-fated last Aztec emperor still lie in Chapultepec Park.

Frida Kahlo's childhood home, now a museum of her life and works.

In Coyoacán, a pair of coyotes crown a public fountain in reference to the ancient Aztec name of the borough.

The first hospital in the New World.

After Christopher Columbus died, his son built a fancy house to rule from.

Built in 1512, the oldest cathedral in the Americas.

The oldest colonial fortress in the Americas was once the home and later prison of Christopher Columbus.

This trio of Dominican cave lakes comprise a colorful biosphere of natural life.

The final resting place of Christopher Columbus - or possibly someone else.

Hidden in a secluded Greek cove is a pristine beach marred only by the rusting smuggler's hulk stranded on its shores.

A Turkish monastery tucked into a cliff wall.

While not Turkey's deepest underground city, this subterranean redoubt is the largest.