A map of Italy made entirely of trees.

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

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

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

Fortified medieval tower house with lovely roof garden.

The studio built by fascists in the hopes of "reviving the film industry" with the occasional propaganda film opportunity thrown in.

Water and windows define this defensive Italian well.

These gutted monastery ruins still stand proudly in the middle of the Italian countryside.

A lover's walk between hilltop towns, decorated with graffiti love notes.

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

Art and armour fill every inch of this rich kid's Italian villa.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

Walk through a fairytale in Tuscany.

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

Five candy-colored villages on the Italian Riviera.

This Tuscan lake hides a 13th century town that is still visible when the water recedes.

On rare days, this abandoned castle's gatekeepers open its doors, revealing the eye-popping splendor hidden inside.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

This museum houses an imposing skeleton army comprised of creatures great and small.

The curious underground history of keeping Paris clean.

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

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

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

This sword isn't waiting for a king to pull it out. It was placed there by a saint.