A solemn reminder of the infamous World War II war crime that massacred almost all the men in a small Greek town.

Past the megayachts in the hyper-modern marina of Vouliagmeni is a small, well-hidden chapel adorned with pebbles and maritime imagery.

This seaside sanctuary was once one of the most important religious sites for women in ancient Greece.

Hideout of thieves, monks, and goat-footed gods.

The heads and relics of 179 monks slaughtered by pirates are on display within this Ceonobic Monastery.

This graffitied 19th-century building was a prototype of European industrial architecture.

A memorial dedicated to a tragic event during the Axis occupation of Greece.

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

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

These ancient ruins hide in plain sight next to a dessert shop.

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

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

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

This post-Ottoman era church in Athens was built by locals to serve the residents of Anafiotica

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

Catch raucous live performances of traditional tunes at this old-school taverna.

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

Where commuters walk through remnants of an ancient Greek necropolis.

A pre-war mansion that survived the modernization of Athens.

This abandoned shopping arcade has new life as an art installation.

Preserved portions of Athens's ancient defenses are on display in a subterranean parking garage.

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

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

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