A towering spire in the fortress of Kalemegdan honors the victorious armies of Serbia during their struggles against the Ottoman Empire.

Destroyed Serbian army headquarters sits half crumbled in a largely revitalized Belgrade.

One of the most controversial statues in Romania is an emperor with no clothes.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

A marvel of Byzantine engineering under the streets of Istanbul.

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

Swarms of dainty flying insects swarm into the Petaloudes Valley to get busy.

An abandoned Byzantine fortress and notorious prison.

This Greek cinema was architecturally inspired by Mussolini's vision of a fascist Mediterranean utopia.

Monasteries on rock pillars, once accessible only by frayed ropes.

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

Perched on a spindly rock spire in a Greek archipelago, this lighthouse would make a perfect wizard's tower.

This 15th-century island fortress later served as home to the executioners no one wanted to live near.

This legendary city has been a tourist attraction for centuries.

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

What once sat in the world’s spotlight is today a largely disused ghost complex.

The railway carts travelers to central Athens's highest peak, which offers stunning vistas of the city.

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

A sharp sculpture made of thousands of pieces of jagged glass.

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

Where commuters walk through remnants of an ancient Greek necropolis.

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