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

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

Legend says it was constructed with the destroyed pillar of an ancient Greek Temple.

An ancient site that has revealed incredible artifacts including portions of the Themistoclean Wall.

Public water fountains built during the Ottoman Era still stand throughout this seaside town.

According to legend, this cavern holds the passage that Persephone used to travel to and from the underworld.

Only open for two days a year, this church links ancient Greek and modern Christian celebrations.

This century-old, family-run bakery specializes in loukoumades, a Greek doughnut once served to ancient Olympians.

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

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

Where commuters walk through remnants of an ancient Greek necropolis.

The ruins of an ancient Roman tomb hidden in the basement of a trendy clothing store.

With no menu and no sign, this 130-year-old taverna doles out affordable home cooking.

This church was constructed on the site where St. Philip the Apostle preached to the ancient Athenians.

Rest stops along this pathway offer some of the best views of the Acropolis of Athens.

These caves secretly held national treasures during World War II.

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

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

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