A monument commemorating the 852 lives lost in the sinking of the MS Estonia.

This church combines Christian, Byzantine, and ancient Greek architectural elements.

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

This legendary city has been a tourist attraction for centuries.

These abundant, over-the-top monuments are so widely scattered that they define the entire compact capital cityscape, often leading to jokes about whether there are more statues than residents.

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

A tiny Greek Orthodox church from the Ottoman era hides on a busy city street.

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

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

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

These caves secretly held national treasures during World War II.

A man's head is enshrined beneath a statue near the first building constructed for the modern Olympic Games.

A Byzantine-era church hidden in a wooded area below the Acropolis.

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

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

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

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

Where commuters walk through remnants of an ancient Greek necropolis.

A sharp sculpture made of thousands of pieces of jagged glass.

An abandoned Byzantine fortress and notorious prison.

One of the most photographed locations in the entire city.

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

A two thousand year old brothel uncovered in Northern Greece.

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