Friction between grains of sand cause a curious "singing" sound.

Museum dedicated to awful artwork.

This triumphal 16th-century arched gateway leads to the oldest street in Palermo.

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

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

This mosaic-lined medieval church was built by the world's first admiral and still holds mass in ancient Greek.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

One of Catholicism's four major basilicas has a series of papal portraits that are said to predict the end of the world.

Stone memorial that's said to predict the death of the pope and the site of the Cadaver Synod.

A small window on Via Piella offers a lovely and rare peek at Bologna's lost canals.

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

An amazing collection of wax anatomical models and terratological models.

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

This Roman arch marks the location of an ancient gate at one of the Seven Hills of Rome.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

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

One of several skulls claiming to belong to the beheaded St. John the Baptist is on display at this Roman church.

A Nesting Doll of Churches.

This medieval Italian town is a sheer (and beautiful) cliffside defense.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

A collection of objects supposedly singed by the hands of souls in purgatory.

Five candy-colored villages on the Italian Riviera.

The oldest operating pharmacy in the world features 800-year-old recipes.

The yawning maw of this pagan visage is said to bite off the hands of liars.