Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

Legend has it that this bronze orb, which sat atop an ancient Egyptian obelisk, once held the ashes of Julius Caesar.

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

A modern sliver of architecture in Roma.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

2300-year-old Roman road connecting the empire.

Known for centuries as the famous Roman emperor's burial place, this monument is actually something else.

A small thermal park among the mountains of Southern Italy features a surprising piece of modern art.

Also known as the Temple of Poseidon, this is one of the best-preserved Greek temples in the world.

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

A narrow opening between the mountains of the Amalfi Coast creates a scenic hidden beach.

The pristine waters crossing this forest form a hidden waterfall among the dense vegetation.

A deep mark on the remains of a Roman temple, believed to be left by a legendary warrior.

A magnificent waterfall is also home to the remains of a Roman hydraulic engineering system.

Suffocating dogs was a common spectacle in the fumes of this noxious cave.

A quiet Sicilian village is home to a cafe that had an important role in "The Godfather."

The titular "little arch" near this Italian resort is one of the most popular diving spots in the country.

Take a giant yellow bird cage to the top of Elba's highest mountain.

Inside this McDonald's you can dine on your Big Mac and fries next to a 2,500-year-old Roman wall.

Nestled in the hills of Tuscany are gorgeous, multicolored hot springs.

The steel cable lets adventurers zoom between two mountain towns at speeds of up to 75 miles per hour.

The Emperor Tiberius' palace of debauchery.

Drink wine handed out through a window as part of an age-old tradition.

The walls and streets of the ancient city are peppered with penises.