Renaissance villa and gardens complete with a tormented colossus.

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

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

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

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

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

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

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

These medieval skyscrapers dominate the skyline of this small Tuscan town.

A dismembered holy head stares out from her beautiful reliquary at the St. Dominic Basilica.

Glasgow's memorial to the International Brigade volunteers from Great Britain who fought and died in the Spanish Civil War.

Climb this overlooked gem's spiral staircase and you'll be rewarded with spectacular views of Glasgow.

A scattered trail of street art adds a pop of color to the city's stark structures.

This delightful hidden farm is home to Victorian ruins and a wonderful menagerie of animals.

This stone throne invites adventurers to observe breathtaking views of the Peak District.

This bizarre English competition answers the important question: how many worms can YOU coax out of the ground?

Dating back almost 400 years, the oldest public collection library in the United Kingdom was once the study hall of Karl Marx.