An incredible mosaic-lined monument said to have held the remains of an ancient Roman empress.

This 6th-century church has the largest and best-preserved collection of Byzantine mosaics outside Constantinople.

Italian poet Dante Alighieri is entombed in this small mausoleum in Ravenna, and his hometown of Florence has never been too happy about it.

In Florence's great Duomo, a 26 foot fresco honors a mercenary famous for attacking Florence.

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

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

This strange bovine gargoyle is said to have been put in as a passive aggressive form of revenge.

Renaissance hospital featuring a rotating door into which unwanted babies were dropped.

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

A large grotto built in the 16th century amidst Florence's famous Boboli gardens.

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

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

This building features dozens of faces along its facade, although one is a bit chilling.

A striking memorial recalls thousands of Bolognese men and women killed fighting fascists in World War II.

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

A modern frieze of ancient Grecian mythological figures playing a national pastime.

This sailor's boneyard was lost under a parking lot for decades before being rediscovered.

The oldest lawn bowling club in the United States.

A century and a half of research in the sciences and natural history, still going strong.

This contorting sculpture is the tallest in San Francisco.

San Francisco’s century-old Christmas Tree.

Perfect your fly fishing technique on their practice ponds.

At the base of the Golden Gate Bridge, a small sign basically begs for a high-five.

This tall and trim architectural oddity is one of the skinniest buildings in San Francisco.