Belfast's namesake river still winds below the city center, hidden from sight.

One of Ireland's most infamous prisons for rebels including men, women and children.

The ancient tomb acts as a calendar that keeps perfect time.

A fountain standing as a testament to a doomed alliance.

Ancient serpentine sacrifice holder that has stood the test of time.

The ancient latrines of the Greeks, in all their public glory.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

This spectacular dome managed to survive after being bombed in World War II, in an event known as the "Miracle of Mosta."

These tombs were built into the side of a mountain so that ancient angels could reach the dead.

Roman ruins top white travertine terraces formed by ancient hot springs.

This bridge was constructed from the rubble of the infamous Bastille.

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

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

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

Bombed and burned, this monument represents the often controversial ties between Vietnam and Cambodia.

This collection of reclaimed landmines acts as both an exhibition of their deadly history and as a shelter for children affected by them.

Khmer Rouge's high security prison.

A battle between nature and architecture in the Cambodian jungle.

This former textile district now is now a thriving center for contemporary Chinese art.

An out-of-place slice of France, smack in the middle of Shanghai.

The once highest point in China blends symbolic design with a kick of adrenaline.

An collection of Chinese propaganda posters from 1949 to 1979.

Natural arch offers panoramic views of Yangshuo's karst hills.

The most famous location in China was home to whole dynasties worth of imperial rulers.