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

The remains of an ancient Roman city are hidden underneath Bologna's beautiful public library.

Once known for its horse-powered knife sharpening, this 200-year-old shop offers an array of blades and hard-to-find culinary tools.

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

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

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

Inside features a display of how artistic crucifixes transformed throughout the centuries.

Sitting on an Italian hilltop is this surreal fortress built by the mad inventor of electrohomeopathy.

A factory director designed what was the world's longest suspension footbridge in 1923 so his employees could get to work safely.

This museum is rotten with a century of wax medical deformities.

Many famous English poets including Elizabeth Barrett Browning are laid to rest at this Swiss-owned cemetery in Florence.

The graveyard is filled with beautiful funerary art and boasts breathtaking views of Florence.

The largest and most famous wax anatomical collection anywhere in the world.

An extraordinary house museum and cabinet of curiosities in the heart of Florence.

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

More than 450 years ago, an Italian nun became the first woman to paint the iconic subject.

Legend says this mysterious stone head belongs to a woman who was petrified by an alchemist.

The mosaic Star of David at the front of this store hints that it's no ordinary Italian grocer.

Seriously good slices of Sicilian pizza lurk at the back of the Bronx's oldest enclosed market.

An overlooked oasis of quiet on the grounds of Washington's monumental basilica.

Where you can hail your favorite fictional commanders-in-chief.

Tucked away between two 19th-century buildings, this small shop specializes in the macabre.

This giant green head remembers one of America's jazz giants.

A monument celebrating the Black soldiers of the 9th and 10th Cavalry.