Meant to be a lavish presidential home, the palace became a symbol of the fall of South Vietnam.

The lavish temple of the Cao Dai religion that includes Buddha, Mohammed, Joan of Arc, and Victor Hugo.

Artifacts and memories from the Vietnam war, located in a place that experienced it first hand.

This network of tunnels housed an entire village for years, and even had a hall for screening movies.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

This 16th-century monastery was founded to cloister the daughters of wealthy local families.

Thousands of volcanic rocks carved 1,000 years ago.

On this tiny spot of land in the middle of Lake Titicaca the only ones who do the knitting are the men.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

The mysterious "Candelabra of the Andes" could represent anything from a god's trident to a hallucinogenic plant.

The Uros people live on floating reed islands in lake Titicaca.

An unexpected desert oasis in South America.

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.

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

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

The same water that fills a luxury resort’s pools feeds these free hot springs in the rainforest.

A 16th-century monastery boasts a lush array of plants native to Mexico’s most biodiverse region.

This colossal ancient sculpture of the monstrous Aztec rain god has a literally stormy history.

Many people don't realize there’s a lot going on in—and below—the world’s tallest triumphal arch.

The little house that stood up to a disastrous flood has become a symbol of perseverance.

A contemporary fresco movement illustrates the region's rich history.

This steep cable railway has been hoisting passengers in the heart of Québec City for over a century.