The large collection of pre-Columbian pottery might make you blush.

The stones of this Incan wall complex fit together so well you couldn't fit a piece of paper between some of them.

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

Relics of Australia's convict past, and a modern scene of unimaginable horror.

An unphotographable nightly march of tens of thousands of "fairy penguins" from sea to shore.

Nine limestone rock stacks on Australia's "Shipwreck Coast."

Holy Hindu shrine in an enormous, monkey-filled limestone cavern.

A bronze statue dating back as far as 1252, still has remnants of gold on its right cheek from ancient gilding.

Hundreds of Buddhas in a re-discovered Indonesian temple.

Climb to the top of the world's largest seated bronze Buddha.

Khmer Rouge's high security prison.

5,000 skulls in memorial to those killed by the Khmer Rouge.

The embalmed remains of the communist leader lie within a custom crystal coffin.

This ancient Chinese observatory still contains early astronomy technology.

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

A beautiful geyser under environmental threat.

Play heads or tails with thousands of different coins.

This historic Victorian hotel has a scandalous history of affairs and murder.

Scholar, adventurer, saint, and instigator of the Goa Inquisition.

Ornate, dome-topped cenotaphs fill this royal crematorium.

Picnic on the seashore in the footsteps of ancient kings, protected by giant mythical cat beasts.

An imperial fortress city that incorporated cultural elements from the entire Mughal empire, only to be abandoned the year it was finished.

An ancient iron pillar in Delhi that seems to be rustproof.

Hidden in the shadow of a rocky fortress is one concubine’s long-forgotten legacy.