Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

This statue pays tribute to the iconic musician in the place where he recorded his final studio album.

A 13th-century Swiss castle houses a collection of artifacts from the Polish diaspora.

An unassuming Swiss institution houses Europe's largest toy museum.

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

An 11th-century fortress home to one of the most influential royal houses in medieval Europe.

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

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

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

Vines grow up the metal bars in this public park created from an old machine factory.

At 929 pounds and 26 feet tall, this stainless steel fork can only be used by the likes of King Kong.

Enormous, fluffy dogs frolic around this museum dedicated to a legendary Saint Bernard.

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

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

The steepest classic funicular in the world glides along a dizzying incline.

A once-thriving hotel in the Swiss Alps couldn't compete with climate change.

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

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

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

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

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

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