This architecturally eclectic early-20th century mosque was built as a place of worship for the Islamic followers of a Jewish messiah.

This open air archeological site houses almost as much wildlife as it does classical religious artifacts.

An abandoned Byzantine fortress and notorious prison.

The Pennsylvania shopping center was once the setting for the 1978 film, "Dawn of the Dead."

Thousands of rusting train cars have been slowly falling apart on the edge of Greece's second largest city.

Once the largest rope factory in Greece, this abandoned plant now stands like a ghost of industry past.

This field of half-buried stone crosses was the burial place of a sect of heretical gnostics.

A two thousand year old brothel uncovered in Northern Greece.

A little-known park with unusual, half-ruined structures and a mystical energy.

This unassuming tree stump reportedly traces its roots to the famous pharaoh queen's reign.

Standing atop 2nd-century Roman ruins, this church is one of the oldest and most iconic in Old Cairo.

This ancient structure is widely thought to be the oldest intact pyramid in the world.

Ancient Egyptian relief, claimed to depict an electrical light.

One of the most well-preserved temples of ancient Egypt.

This once architecturally advanced housing complex is now a haven for squatters that still bears the scars of war.

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

The site where hundreds of Greeks were tortured by the Nazi secret police is now a cosmetics store.

This striking sculpture of Icarus honors Greece's fallen flyers.

The only surviving choragic monument is a trophy awarded in 334 BC for the winning dramatic chorus.

A grotesque collection of wax limbs depicting the symptoms of venereal disease.

The oldest cemetery of modern-day Athens blends the modern and ancient worlds.

This small 16th-century church in Athens is almost entirely surrounded by a modern building.

This gem is often wrongly overshadowed by the larger, newer Metropolis church in Athens.

A crushed gate and giant bronze head serve as a reminder of Greece's fight for freedom.