This historic spot was where America's involvement in the Vietnam War officially came to an end.

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

This French colonial post office is arguably the grandest in all of Southeast Asia.

Witnesses claim the Virgin Mary statue outside the church once mysteriously shed a single tear.

Three hundred illuminated pillars form an “artificial forest” in Medellín.

Home to 23 voluptuous and instantly lovable sculptures by one of Latin America's most celebrated artists.

Pilgrims each carried a brick to the top of Mount Monserrate to help build this historic sanctuary in Colombia.

This Bogotá museum houses the world's largest collection of pre-Columbian gold relics.

An unusual and beautiful form of mass transit serves the city's steepest neighborhoods.

The colonial city's social history is reflected in its fanciful door knockers.

This colonial town in Colombia sits around the largest stone paved square in South America.

A superb spot to appreciate the traditional boats of the Indian Ocean.

The bronzed skull of a beheaded traitor was affixed to the city gate in the 17th century.

The world's tallest palm trees look like the whimsical kind of plant you'd find in a Dr. Seuss story.

After the parade, students throw their beads on the tree hoping for good luck on exams.

Cathedral carved out of salt, located a mile below the Earth's surface.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

An elaborate Mayan city shrouded in alien conspiracy revealed the tomb of Pacal the Great.

An impressive century-old, to-scale topographical map of Guatemala.

Experiencing Guatemala's sensory-exploding church is a blunt reminder of European influence.

Central America's deepest lake is actually a volcanic caldera, surrounded by three volcanoes.

Ho Chi Minh's perfectly preserved body has been on display here since 1975.

The notorious "Hanoi Hilton" where Vietnamese colonial subjects and later American POWs, including John McCain, were imprisoned.

Home of the unusual art of water puppetry, one of Vietnam's oldest curiosities.