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

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

Secret refuge and museum of the Duke of Florence.

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

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

A medieval weapon rumored to have been used by the brilliant poet himself.

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

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

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

Memorials at a Florence railway station remember the citizens who were deported from Italy and sent to extermination camps.

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

Overlooked amid the tourist bustle of Florence, this museum is dedicated to the craft of stone inlay.

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

The mummified relic of St. Antoninus.

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

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

The middle finger of modernity.

The only surviving piece of Copenhagen's 16th-century defensive wall.

Danish observation tower designed to look like a giant beer bottle.

A public display of random paleontology.

Dozens of musicians have planted trees in this Danish park, and donated songs to go with them.

In legend, this ancient dolmen was said to have been created when a troll tried to destroy a church.

Nordic giants resurrected from the sea and restored to their former greatness.

The original home of the Lego has a huge amusement park dedicated to the iconic plastic toy.