The most confusing clock in New York.

A beautiful deserted greenhouse in the middle of a park.

Towns with a resource known as "white gold," valuable enough to fight a war over, now stand ghostly and empty.

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

Mountain of unimaginable riches that bankrolled the Spanish Empire, complete with its own underworld god.

Death road of Bolivia.

Largest site of dinosaur footprints ever found includes more than 5,000 tracks.

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

Huge stone depressions which may have acted as an Incan agricultural experiment.

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

Death rituals and sacrifice inside a Peruvian megalith.

The mortal remains of an estimated 70,000 people lie in the basement of a monastery in Lima, Peru.

Pre-Incan aqueduct amidst a stone forest in Peru.

Ecuador's largest Incan ruins show evidence of sophisticated irrigation and diplomacy among the ancient builders.

A swing to dangle you off the very edge.

Right angles in the forests of Panama.

Home of the "true" equator.

An elaborate shrine dedicated to the four corners of the world unfortunately misses its mark.

The final resting place for the remains of 143 Habsburg royalty.

This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.

Museum dedicated to the terror regimes of Hungary.

An abandoned saucer-shaped monument in the Bulgarian mountains.

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

This extraordinary geological oddity resembles human-made pavement.