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

Nazca pilgrimage site covering 370 acres is a popular stop for archeologists and looters.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

A set of ancient drawings in the desert of Peru that are so massive, many of them can only be fully seen from the sky.

A remote candy-striped mountain in the Peruvian Andes straight out of the pages of Dr. Seuss.

Home of the "true" equator.

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

Hidden amid the tropical forest in the Caribbean Sea are the decaying ruins of the Cocaine King's luxurious island party home.

A magical world of elves and fairies tucked amongst the trees in Colombia.

An explosion of natural color known as "the river that ran away from paradise."

This picturesque mansion has gone from opulent ruin to nature museum.

In the Middle Ages, villagers would sound this stone trumpet to boost fertility and coax fish to shore.

A beautiful deserted greenhouse in the middle of a park.

The largest stone moai on Rapa Nui.

Site full of incredible prehistoric paintings and archeological findings.

These termites have an large and deadly abode—impressive by day, dazzling by night.

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.

Mysterious and ancient carved standing stones.

A Maori village obliterated by an 1886 volcanic eruption.

The Dalai Lama named this New Zealand landscape the "Spiritual Center of the Universe."

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.

Tubing through a cave lit with glowworms is a magical underground experience.

In a strange timezone anomaly, Daylight Saving Time here sets the clocks forward just 30 minutes.