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

This amazing pedestrian suspension bridge in the Swiss Alps would give Indiana Jones nightmares.

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

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.

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

Carved into living stone, a beloved roadside chapel peacefully welcomes the faithful and curious alike.

An icy lake tucked among jaw-dropping alpine panoramas.

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

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

The largest underground lake in Europe.

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

The woman who helped save 15th-century France was born in this humble home.

Unchanged for centuries, this medieval library keeps its books in chains.

An impressive array of unique homemade planetariums.

A 400-year-old mummified arm dangles from the ceiling of St. James the Greater, serving as a warning to thieves.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

The world's tallest church tower reveals a spectacular view to anyone up to the task of climbing the daunting staircase.

It's always summer at the beach inside this former airship hangar.

What was once thought to be a wellspring of unicorn bones is actually just a prehistoric burial site.

This "floating railway" is one of the world's oldest monorail systems.

A sprawling Baroque park with 300-year-old hydro-pneumatic waterworks.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.