One of the world's oldest universities houses an incredible collection of anatomical models, mummified body parts, and human bones.

Earth's rocky history has rarely glittered so brightly as it does in this Spanish museum.

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

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

The secret medieval communication system will whisk your words above the noise of the crowd.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

This picturesque Umbrian city has a subterranean side that has long remained hidden.

Nine caves filled with recently-discovered archaeological finds under the houses and the streets of the most ancient district of an old town.

Geothermal waterfalls in Tuscany.

This network of roads is one of the most unique Etruscan creations ever discovered.

The eerie ruins of this feudal fortress witnessed the execution of 60 conspirators in 1387.

This 16th-century monastery has been turned into a surrealist architecture compound.

Stumbling upon this whimsical wooded garden is like stepping into an enchanted forest full of philosophical musings.

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

This Italian dam is covered in salt-hungry goats who manage to scale its almost vertical face.

One of the most historical literary characters continues to stroll his hometown.

A suspended footbridge allows for traversing this gorge carved through the French Alps.

Where Mary Shelley’s "Frankenstein" and John William Polidori's "The Vampyre" were born.

This colorful but controversial ceiling has been likened to a 21st-century Sistine Chapel.

A constellation of golden cobblestones shows the names of local children born under a full moon.

Medieval irrigation channels built into the sides of mountains provided Valais with water for hundreds of years.

A cablecar-station-turned-revolving restaurant with 360-degree views of the Swiss skyline.

A breathtaking bridge that crosses a vast gorge over a river's torrents, and has a tale of a devil architect attached.

This ancient ruined monastery has been destroyed by fire so many times that it seems like God hates it.