One of the most powerful religious centers in the Middle Ages, dubbed the founder of Western monasticism.

Despite centuries of architectural innovation, this French castle is being built like it's the 13th century.

An art world insider finds himself battling for his artistic home.

Lyon's "Wall of the Silk Weavers" is one of the largest murals in Europe.

Monsters and miniatures are held in equal esteem at this wondrous museum.

Hundreds of hidden passageways weave through the old quarters of Lyon.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

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

Twice a day a speeding train passes only inches from the homes of this residential neighborhood.

An extravagant monument to an extravagantly unpopular Emperor.

A Surreal flight of architectural fancy in Vietnam's Central Highlands.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

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

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

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.

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

Khmer Rouge's high security prison.

One of the biggest markets in Asia, under one of the continent's largest domes.

Though it was originally dedicated to the Hindu god Shiva, Baphuon was converted to a Buddhist temple in the 15th century, complete with a massive hidden statue.

A secluded, little-known temple hidden amid the dense jungle.

A battle between nature and architecture in the Cambodian jungle.

A small 12th-century temple surrounded by waters believed to have curative properties.

Believed to have once stored either human remains or rice wine, thousands of mysterious stone jars lie in ruin.