This eclectic architectural gem played witness to Zurich’s colonial past.

Featuring Zürich's only authentic 14th-century plague doctor's uniform!

See the rare bloom of the "Queen of the Night" cactus at one of the world's largest succulent collections.

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.

An amazing collection of rare wind instruments where visitors can give the iconic Swiss Alphorn a toot.

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

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.

An overlooked marble is the only surviving in-place 18th century example of the measurement that changed how we define distance.

This abandoned boat sits on a nude beach, is shaped like a UFO, and is covered in graffiti.

Featuring a casually threatening atmosphere along with dessert and coffee to die for.

The oldest stone house in Paris was built by its most famous alchemist.

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

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

This 13th-century monastery chiseled into the side of a mountain is equipped with a bridge that can be lifted to protect against raids.

A 16th-century horror show built in a lovely Italian garden.

At this ancient settlement at the foot of Mount Babadağ, honeycomb tombs are carved into a round cliff.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

The largest treasure hoard in Europe is contained in a castle that was bombed out during World War II.

This innocent-looking townhome is actually a subway exit.

Home to a full-scale replica of the Ezekiel Airship, an aircraft that allegedly flew in 1902—a year before the Wright brothers took to the skies over Kitty Hawk.

This twice-relocated "Usonian" home is among the smallest built by master architect Frank Lloyd Wright.

This noble mash-up in eastern Luxembourg is part Medieval, part Renaissance, all castle.