The world's oldest surviving anatomical theater, where "the dead are pleased to help the living."

A star-shaped fortress town fort built in the geometric model of the Renaissance utopian city.

Meet the oldest inhabitants of this Italian hamlet, a series of oddly preserved mummies.

This historic recreationist school churns out warriors that may very well have had a fighting chance in Rome's pits of the day.

Gods clash with machines in a power plant regenerated as a museum.

The studio built by fascists in the hopes of "reviving the film industry" with the occasional propaganda film opportunity thrown in.

This hill made entirely of ancient Roman jars was simply a garbage dump to the people of the time.

More sculpture than building, this architecturally significant temple was built on the spot of Saint Peter's crucifixion.

2300-year-old Roman road connecting the empire.

A fairy tale castle in modern Rome.

This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.

Brass cobblestones mark the places where individual Holocaust victims were taken from their homes.

Installed in an act of one-upsmanship, the annual sundial in this church is also a symbolic victory for the Gregorian calendar.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

An abandoned quarry hides an open-air gallery of huge sculptures, some made from the rubble of 9/11.

A cave in southern Italy adorned with thousand-year-old Biblical frescoes existed in obscurity until fairly recently.

Geometry and mystery come together in an epic show of octagonal masonry.

People have been living in the cave houses on this Italian hillside since the Neolithic era.

Southern Italy's spinning top village.

An incredible menagerie of more than 3 million taxidermied animals at the oldest science museum in Europe.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

Venice's island of the dead.

Pilgrimage site for star-crossed lovers.

Skulls from the plague of 1656 and World War II bombings are united by a cult dedicated to caring for the ancient dead.