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

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

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

Built to repay the sins of the father, this church is home to one of the most valuable works of Western art.

Featuring the last fully walkable parapet walkway in Europe.

This medieval castle was home to a known tyrant and features several hidden passages.

Destroyed numerous times, this centuries-old bridge has always been rebuilt with its original design.

This medieval footbridge in the Swiss Alps is known to attract cliff-jumping daredevils.

If James Bond bungee-jumped off the side of a 720-foot dam, would you do it too?

The world's longest and deepest train tunnel.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

The northernmost point in Denmark is a turbulent sandbar created by two clashing seas.

The alpine falls where Sherlock Holmes apparently met his demise can actually be visited.

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

Caves famous for the dragon-slaying saint who lived there.

Traversing steep Alpine slopes, this engineering marvel is one of the longest and highest funiculars in the world.

The idyllic island where the philosopher Jean-Jacques Rousseau spent “the happiest time of his life.”

The Swiss artist's bulbous and overgrown shape-shifting sculpture controversially graces the center of Bern.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

Natural history museum displaying a famous taxidermied St. Bernard.

Video games, body language, and postal history are all on display in this Swiss museum.

The bears of Bern have been a city highlight for over 500 years.

This striking royal residence is the largest Renaissance-style castle in Scandinavia.