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

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

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

Legend says this sacred tree was a gift from goddess Athena.

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

According to legend, this ancient column contains healing properties.

This Ottoman-era church is hidden amid a busy tourist area.

A preserved portion of an ancient Athens barrier is displayed in a hotel basement.

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

There are many Byzantine-era churches still standing in Athens, but this is the only one with a 2,500-year-old column rising through its roof.

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

A Byzantine church containing the holy remnants of three saints sits atop the site of an ancient temple.

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

The ruins of an ancient fortification wall sit in front of and underneath this boutique hotel.

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

Underneath one of the region's most historic roads lies the home of Plato's successor.

150 or so scrounged-up lamps, chandeliers, and lanterns light up this alley in central Athens.

Monasteries on rock pillars, once accessible only by frayed ropes.

This ancient hydrological marvel is now the base of a modern outdoor cinema.

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

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

This pink watchtower served as the seat of the Greek government after independence from the Turks.