This rare basilica nestled right in downtown Asheville is an architectural marvel, inside and out.

This giant iron playfully pays tribute to an early 20th-century architectural trend.

Every week, a festive public jam session breaks out in downtown Asheville.

In the world's oldest university is a stunning 17th century anatomical theater carved from spruce.

A massive line that stretches across the floor of Bologna’s largest church was created by a 17th-century scientist to measure the movements of the Sun.

A large statue of Pope Gregory XIII in Bologna was disguised as Saint Petronius to avoid destruction.

Legend has it this fountain built to symbolize the Pope’s power hides a strange secret concerning Neptune's manliness.

An extraordinary collection of 18th century anatomical waxworks.

Time has been frozen at this station since the bombing in 1980—or so it was believed.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

Legend says this sacred tree was a gift from goddess Athena.

A Bronze age settlement on the Greek island of Santorini might have been the inspiration for Plato's Atlantis.

A limestone grotto where daylight filters in from below and turns the water a beautiful turquoise. Also home to a small underwater nativity scene.

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

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

Before it was buried by volcanic ash, this fast-food restaurant fed the hungry hordes of ancient Rome.

This clifftop arch is a natural stunner.

The Emperor Tiberius' palace of debauchery.

The glowing blue Nymphaeum of Emperor Tiberius.

The enchanting home of an eccentric Swedish physicist and author sits in the hills of Anacapri.

A volcanic old faithful, Stromboli has been erupting continuously for the last 2000 years.

Southern Italy's spinning top village.

The only visible remains of this ancient Greek underground temple is its roof protruding from the earth.

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