Three witches are said to be buried beneath these unmarked concrete graves.

A historic observatory precariously perched at the "Top of Europe."

The second-highest train station in Europe.

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

This simple apartment may have inspired some of the most important theories in the history of science.

Lucerne's central prison was converted into a tourist hotel with a bare minimum of changes.

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

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

This is not only one of the oldest collections in Europe, but also possibly the most beautiful.

This 170-year-old Swiss guesthouse built into the side of a mountain is best accessed by a cable car.

A 200-year-old tavern challenges guests to finish a glass of wine while hanging from a ceiling beam.

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

This massive boulder was hurled into a Zurich church when a gunpowder depot was struck by lightning in 1652.

Featuring a meatless buffet fit for kings, this family-owned Zurich eatery is considered the oldest vegetarian restaurant in the West.

Switzerland's oldest public observatory is an important part of the Zurich cityscape.

On the water, the sound from this horn could be heard from up to 10 kilometers away.

The world's longest and deepest train tunnel.

The second-largest giant sequoia in the world.

One of the world’s smallest bars, just 13 square feet, is brimming with speakeasy flair.

A diverse collection of wax, bone, papier-maché and mummified relics.

Once known for its horse-powered knife sharpening, this 200-year-old shop offers an array of blades and hard-to-find culinary tools.

Time has been frozen at this station since the bombing in 1980—or so it was believed.

A large statue of Pope Gregory XIII in Bologna was disguised as Saint Petronius to avoid destruction.

The remains of an ancient Roman city are hidden underneath Bologna's beautiful public library.