These striking ruins of a castle resemble a ship's stern.

The ruins of an ancient stadium that hosted gripping chariot and horse races.

The bright red cars take travelers through breathtaking Tuscan scenery.

Ancient ruins hidden underneath a modern luxury hotel.

The world's largest "Christmas tree" is illuminated by hundreds of lights stretching 2,000 feet up the slope of Mount Ingino.

The venerated body of a 12th century saint is celebrated each year with the 'Race of the Candles.'

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

The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

A wood-and-steel sculpture garden featuring an artful interplay of nature and machinery.

A beautifully well-preserved ancient Roman villa.

The only museum with its curator—and her pets—buried inside.

In a city that boasts four separate inclined cable railways, this is one of the busiest funicular lines in the world.

An extensive collection of reliquaries containing the bones of saints housed in the largest Catholic church in Venice.

The Emperor Tiberius' palace of debauchery.

The mummified relic of St. Catherine sits forever on a golden throne.

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

A stunning bridge that appears as if it's lunging to the shore, and has a legend of a devilish architect.

The mummified relic of St. Antoninus.

Art and armour fill every inch of this rich kid's Italian villa.

Europe’s oldest natural human mummy.

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

Erotic art covers the walls of the largest ancient pleasure palace.

The bomb-ravaged remains of of a colossal Neptune.