The remains of a grand castle that may have inspired Bram Stoker's Dracula.

150 or so scrounged-up lamps, chandeliers, and lanterns light up this alley in central Athens.

The only ancient site that remains on the south bank of the sacred Ilissos river.

According to legend, this ancient column contains healing properties.

After a catastrophic forest fire, a Greek artist transformed scorched tree trunks outside an old sanatorium into this haunting sculpture garden.

This small chapel holds the mummified heart of one of the heroes of the Greek Revolution.

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

An often overlooked ancient site in downtown Athens with substantial history (and nature).

These caves secretly held national treasures during World War II.

The only surviving choragic monument is a trophy awarded in 334 BC for the winning dramatic chorus.

A former factory serves as a shrine to the industry that sustained Santorini for decades.

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

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

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

There are many Byzantine-era churches still standing in Athens, but this is the only one with a 2,500-year-old column rising through its roof.

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.

One of the greatest collections of coins in the world is housed in the former mansion of an archeological pioneer.

This small museum once served as a royal hunting pavilion for King Otto Friedrich Ludwig.

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

The oldest standing Byzantine church in Athens is tucked within a monastery in the middle of an upscale shopping district.

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

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

A sprawling collection of books and manuscripts about ancient Greece that would have put their famed libraries to shame.