The giant skeleton sculpture is surprisingly well-traveled.

This 21st century cabinet of curiosities includes dinosaur bones, moon rocks, film memorabilia, and more.

This Rococo church is known as the most beautiful village church in the world, and does not disappoint.

The bizarre visions of H.R. Giger, tucked away in a Swiss medieval city.

One hundred years ago this small house in downtown Zürich became the birthplace of the Dada movement.

This massive blockhead sculpture hides an entire library.

Bell tower juts out from a village buried under a lake.

Hidden in an Italian forest is a completely homemade amusement park that has taken a lifetime to create.

Giant, pink stuffed rabbit on an Italian mountain.

The world's first underwater farm is home to more than 700 plants.

The abandoned "Ghost Mansion" was left to decay in the mountains of Northern Italy.

A space dedicated to contemporary art and culture, co-chaired by fashion icon Miuccia Prada.

A Milanese café entirely designed by the American director Wes Anderson.

Five candy-colored villages on the Italian Riviera.

The home of a neoclassical master is now a shrine to his chosen art style.

A military museum, art park, mausoleum, and architectural oddity all on one fascist's estate.

The plague quarantine island home to the alleged "Vampire of Venice."

Venice's island of the dead.

The marble facade hides a little-known medical museum with early surgical instruments and rare copies of canonical texts.

A small island less than half a mile from Venice is a forbidden island with a dark and twisted past.

The bones of some 7,000 soldiers killed in the historic Battle of Solferino are stored here.

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

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

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