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

World's largest permanent maze made of 18,000 conifers.

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

A breathtaking bridge that crosses a vast gorge over a river's torrents, and has a tale of a devil architect attached.

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

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

Large Hadron Collider and the Birthplace of World Wide Web.

This lovely little bridge hidden in a Switzerland gorge is essentially a fairytale.

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

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

These spooky and unusual stone formations create an underworldly landscape.

The tallest outdoor elevator in Europe rockets passengers on a dizzyingly precarious ride to the top of a mountain.

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

Amsterdam's Red Light District leaves little to the imagination.

A public urinal so pretty, it was declared a national monument.

The world's oldest Jewish library was founded by Sephardic Jews in 17th century Amsterdam.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

Museum preserving torture methods from the past.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

The world's only museum devoted to the wonders of fluorescence.

One of the oldest masonic museums in Paris.

BDSM, 1930s Style.

A font of vintage porn on the silver screen.