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

Where commuters walk through remnants of an ancient Greek necropolis.

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

According to the local folklore, the myriad colors of this lake are the result of a lovelorn wizard's blunder.

The middle finger of modernity.

Fortified medieval tower house with lovely roof garden.

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

Go inside to really appreciate this 500-year-old technological masterpiece.

Built to repay the sins of the father, this church is home to one of the most valuable works of Western art.

A whale rib was used to advertise the store by the arch that offered exotic goods from far away.

Dynamite factory turned museum explores the history of explosives.

A fairytale island floats in the middle of Italy's little-known Lake Orta.

A massive mausoleum towers over the gravestones in a 19th-century Italian "model village."

An unsettling painting of three faceless sisters that is surrounded by history and legend.

This ancient Roman prison is decorated with an upside-down cross not as blasphemy but as saintly tribute.

A labyrinth of ancient tunnels hidden below the city holds the ruins of 2,500 years of history.

The yawning maw of this pagan visage is said to bite off the hands of liars.

Stalactites and stalagmites in a beautifully lit cave.

A space dedicated to contemporary art and culture, co-chaired by fashion icon Miuccia Prada.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

The bomb-ravaged remains of of a colossal Neptune.

Pilgrimage site for star-crossed lovers.

The mountaintop inspiration for Umberto Eco's "The Name of the Rose."

A fake medieval village in the middle of Turin.