An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

Skulls from the plague of 1656 and World War II bombings are united by a cult dedicated to caring for the ancient dead.

A massive natural rock arch gives the Tuscan mountain its own window to the sky.

This enchanting 600-year-old tree is so magical it inspired the beloved tale of Pinocchio.

Anatomical cabinet holds unexpected treasures.

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

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

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

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

The middle finger of modernity.

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

A beloved local artist has been honored with this statue of a man emerging from a toilet.

A diverse collection of wax, bone, papier-maché and mummified relics.

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.

An amazing collection of wax anatomical models and terratological models.

An extraordinary collection of 18th century anatomical waxworks.

Site of the 1889 murder-suicide of crown prince Rudolf and his lover Mary Vetsera.

The medieval "dragon" on an Austrian city's coat-of-arms comes to life in a fountain.

This "mathematical tower" was an observatory, early skyscraper, and place to reflect on all of nature and the cosmos.

A pyramid in Central Europe of unknown origin.

Part ski resort, part modern art space, this lodge brings giant metal spiders and bloody doors to the Austrian Alps.

Fantastic stories on a miniature railroad.

Mozart's skull may be held in this collection, but definitive proof continues to elude scientists.