What was once a unique system of urban elevators is turning into a mechanical ruin.

The largest stone moai on Rapa Nui.

A remarkable geological formation resembling a forest made of stone.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Popular tourist destination where witches in dark hats sell dried llama fetuses for good luck.

On the outskirts of a desert trading village high on the Andean plain, steel giants have been destroyed by salt winds.

A submerged archeological park still holds the wonders of a Roman Sodom.

Fine dining 20 feet below the surface in the Indian Ocean.

Walk 2,300 feet above the ground on the "Troll's Tongue."

A serpentine highway twists and turns over the treacherous Norwegian Sea.

The small cliffside monastery known as the Tiger's Nest is said to be the meditation site of an eighth-century Buddhist master.

Siddhartha Gautama sat here and received enlightenment.

This stunning mass of ice spans 121 square miles and is still growing.

This supermarket in Shanghai appears to be a typical Chinese convenience store, but all of the bottles are empty and all the containers are filled with nothing but air.

Extraordinary sculpture garden created by an eccentric English poet.

A lovers' beach, tucked below the surface of the island, provides a safe haven for romance.

The villagers of the coldest inhabited place on Earth adjust to unique challenges presented by day-to-day living.

The coldest city in the world.

Try not to get lost in this picturesque Brazilian labyrinth of the dead.

A 125-meter long "tribute to the Brazilian people."

Giant kites are flown during this Day of the Dead celebration in Guatemala.

Where better to stay the night than inside a trio of ancient Chinese deities representing "the good life."

Formerly known as the Malay Quarter, Bo Kaap is a colorfully-painted suburb located in the “Mother City” of South Africa.

The caldera of this mini-volcano has been turned into a naturally heated mud bath.