Abandoned limestone quarry from the 19th century, now a man-made canyon reclaimed by nature.

This remarkable prehistoric town is full of watchtowers and houses that have withstood thousands of years.

A remarkable prehistoric site featuring well-preserved Talayotic structures offers a glimpse into the ancient civilizations that once thrived on Menorca.

This unusual lava tube spouts seawater during high surf.

A quirky bookstore hidden beneath a sea of whitewashed Greek villas.

This black sand beach was crafted from volcanic explosions including the historic Minoan eruption.

A Bronze age settlement on the Greek island of Santorini might have been the inspiration for Plato's Atlantis.

This stone tower was built to protect Crete from incoming pirates.

1,500 Commonwealth servicemen of World War II are buried or commemorated in this cemetery.

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

These caves secretly held national treasures during World War II.

This lesser-visited World Heritage site in Athens boasts an impressive ensemble of medieval gold mosaics.

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

According to legend, this ancient column contains healing properties.

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

A former military hospital is now used to study and preserve artifacts of the Acropolis.

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

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

Savor sheep milk yogurt at the last of Athens' dairy bars.

Luminaries of all stripes have sipped strong Greek coffee at this cafe since 1839.

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

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.

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