The Cathedral of St. Ambrose has been hiding a special parishioner within its walls.

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

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

An incredible menagerie of more than 3 million taxidermied animals at the oldest science museum in Europe.

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

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

The famous sculptor left his mark on this Italian wall in an internationally protected example of street art.

Over 50 exquisite hand-painted Renaissance maps decorate a Medici storage room.

Some say this medieval church is where the poet Dante married his wife and also met the love of his life.

Built to repay the sins of the father, this church is home to one of the most valuable works of Western art.

Something's missing between the arcades of the Palazzo della Ragione in "the city of the three withouts."

The tomb of the mythological founder of Padua is not hidden in some obscure crypt, but stands right in the middle of the city square.

One of the world's oldest working clocks is curiously missing the Zodiac sign of Libra.

The people of Padua pledged to construct this church if the city was spared from destruction during World War I.

The incorrupt tongue of the patron saint of lost things is venerated in this basilica.

The oldest botanical garden in the world that technically isn't the oldest.

This old medieval prison tower has been a site of astronomical research for more than 250 years.

One of the largest squares in Europe contains an entire artificial island.

A star-shaped fortress town fort built in the geometric model of the Renaissance utopian city.

Largest man-made excavation on earth!

Largest collection of mounted dinosaur specimens in the world.