This pink watchtower served as the seat of the Greek government after independence from the Turks.

Elaborate stone houses constructed from the ruins of war.

This graffitied 19th-century building was a prototype of European industrial architecture.

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

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 ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

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

These caves secretly held national treasures during World War II.

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

This gem is often wrongly overshadowed by the larger, newer Metropolis church in Athens.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

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

An ancient octagonal weather station named for the eight Greek gods of wind.

Where commuters walk through remnants of an ancient Greek necropolis.

This small 16th-century church in Athens is almost entirely surrounded by a modern building.

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

One of the most photographed locations in the entire city.

Come for the giant taxidermy lion, stay for the knick knacks at this Minneapolis curiosity shop.

Opened in 1956, the first modern indoor shopping mall in the world was inspired by the shopping arcades found in European cities.

It's believed that this small church was connected to the Hagia Sophia via a secret tunnel.

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

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

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

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