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

This beehive tomb built for royalty sat hidden for over 3,000 years.

These ruins of a sacred Ancient Greek temple stand next to a luxurious modern resort.

The nuns here cultivate silk to weave some of the finest scarves in the world.

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

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

The Greek island's old British cemetery feels like a forgotten garden.

Step inside an ancient beehive tomb built for a mysterious cult hero.

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

Scars of this building's past life as a violent prison still cover its walls.

A magical, if a bit tacky, 1960s castle conjures up medieval fairytales and Greek mythology.

Overlooking the harbor is a beautiful neglected mansion guarded by two Egyptian sphinxes.

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

This ancient statue of Dionysus lies unfinished and abandoned in one of Greece's oldest quarries.

Every spring, locals see the shadowy figures of a ghost army of slain Greek soldiers descend upon this ruined fort.

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

A miniature desert appears out of nowhere on the lush isle of Lemnos, like something out of a Greek myth.

This little-known, 35,000-specimen collection in Greece is a lepidopterist's dream.

The historic tower houses of this nearly abandoned Greek town have been compared to the spikes on an iguana's back.

The abandoned summer estate of the former Greek Royal Family.

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

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

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

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