This small museum in a 17th-century building honors three iconic Scottish writers.

This column celebrates Rome's victory over the Goths, and may be the oldest Roman monument in Istanbul.

An Art Nouveau gem hides beneath the layers of city grime obscuring this once-magnificent building.

A fountain standing as a testament to a doomed alliance.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

Ancient serpentine sacrifice holder that has stood the test of time.

A tiny park in the middle of some big power politics.

A sixth-century Byzantine cistern hidden below a modern carpet store.

The most metal church of all time was built in record time because of an international, pious pissing contest.

A gorgeous, Gaudí-esque stairway constructed in the city of Istanbul by a prominent Jewish family.

Climb a steep hill in 90 seconds on the second-oldest urban subway in the world.

Taking the subway here means doing so over a bridge located in the middle of an estuary.

One of the best-preserved medieval streets in Europe.

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

A tiny Greek Orthodox church from the Ottoman era hides on a busy city street.

This building displays the scars of the “Dekemvriana,” a dark time in modern Greek history.

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

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

Gladiators once walked this ancient, subterranean passage.

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

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

Where commuters walk through remnants of an ancient Greek necropolis.