This slumbering beast honors the Bavarian soldiers who died in Greece during a 19th-century typhoid outbreak.

These ruins of a sacred Ancient Greek temple stand next to a luxurious modern resort.

Where commuters walk through remnants of an ancient Greek necropolis.

The hallucinogenic center of the ancient world.

These carved medieval "mercy seats" are among the finest in the world.

Modern commuters still pass through this 2,000-year-old Roman archway.

Legend says this demonic carving inside a medieval cathedral was one of Satan's minions.

The oldest of the three remaining bridges in England with buildings on top of them.

View the ancient remains of buildings and the ancient "River of Hades" before hopping on a train.

This mystical orb covered in strange symbols is thought to have been used in ancient Greek magical rituals.

The Cycladic architecture makes this Athens neighborhood feel like an island paradise hidden in the shadow of the Acropolis.

This historic structure has been used as a mosque, a barracks, a prison, a school, and a bakery.

The ruined doorway is a portal to the building's turbulent and torturous past.

An ancient octagonal weather station named for the eight Greek gods of wind.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

After a catastrophic forest fire, a Greek artist transformed scorched tree trunks outside an old sanatorium into this haunting sculpture garden.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

The railway carts travelers to central Athens's highest peak, which offers stunning vistas of the city.

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

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.

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

A nightmare for the claustrophobic lies hidden in Southeast Asia.

One of Vietnam's most iconic landmarks was built by Japanese traders and is now in danger of sinking.