These medieval skyscrapers dominate the skyline of this small Tuscan town.

Rome's ancient Etruscan rival, now a park full of ruins.

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

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

Ancient snack bar of the Roman Empire re-opened.

The "Greatest Sewer" of ancient Rome is one of the oldest sewer systems in the world, and is still in use.

The Roman Emperor's lost summer home and grotto full of enormous sculptures sit along the Italian seashore.

Museum dedicated to literary greats of the Romantic Period is also the home in which Keats met his untimely end.

The famous sculptor left his mark on this Italian wall in an internationally protected example of street art.

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

Over 50 exquisite hand-painted Renaissance maps decorate a Medici storage room.

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

The once forbidden "secret cabinet" of erotic art from excavations of Pompeii and Herculaneum.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

The engineering wonder and pleasure dome of a much-maligned emperor still holds undiscovered secrets.

The final resting place of the poets Shelley and Keats.

2300-year-old Roman road connecting the empire.

Pompeii's less famous neighbor is still revealing her secrets.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

A short distance from the Eiffel Tower is the final resting place of several of the city’s more well-known and interesting characters.

This pair of running lions engraved on animal bone is one of the earliest artistic depictions of big cats.

This 5,000-year-old tomb once had its own hinged door.

Journey through the ruins of this ancient Roman temple dedicated to the god of war.