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.

These ancient ruins hide in plain sight next to a dessert shop.

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

This abandoned shopping arcade has new life as an art installation.

The ruins of this ancient fortification wall sit in the middle of a quiet, residential intersection.

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

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.

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

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

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

These artifacts were discovered during the construction of the airport, with some dating back to the Neolithic period.

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

A crushed gate and giant bronze head serve as a reminder of Greece's fight for freedom.

This little Greek plateau is home to thousands of rustic, white-sailed windmills.

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

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

These caves secretly held national treasures during World War II.

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

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

The site where hundreds of Greeks were tortured by the Nazi secret police is now a cosmetics store.

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

Gladiators once walked this ancient, subterranean passage.

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