This secret coastal village is studded with pastel-colored houses all piled on top of one another.

An abandoned Byzantine fortress and notorious prison.

This 13th-century monastery chiseled into the side of a mountain is equipped with a bridge that can be lifted to protect against raids.

Swarms of dainty flying insects swarm into the Petaloudes Valley to get busy.

This abandoned Greek island was the last active leper colony in Europe.

One of the largest single-span stone-arch bridges in the Balkans looks like something straight out of a fairytale.

The ruins of this monumental city founded by the first Roman Emperor are strangely overlooked by most travelers.

This 200-meter-high waterfall marks the site of Achilles’s immortal baptism at the mouth of the River Styx.

Cave on extinct volcano, once home to famous mathematician Pythagoras.

A small island with shimmering pink sands, home to loggerhead turtles and rare plants.

Where commuters walk through remnants of an ancient Greek necropolis.

An autonomous republic of Orthodox monks.

This wrecked ghost ship has been rusting on a Greek beach since the 1980s.

This medieval "painted village" is famous for its geometric facades.

Ancient Greek oracle of the dead.

An alien landscape on the banks of the Aegean Sea.

A cave network located at the southernmost tip of mainland Greece was once believed to be an entrance to Hades.

Replicas of Apollo's leonine stone guard cats still line a sacred row in Greece.

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

This remarkable cave was discovered after a shepherd watched bees enter and exit through a small fissure.

The ruins of an abandoned medieval city where the last Byzantine emperor was crowned.

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

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

Giant marble phalluses on the sacred island of antiquity.