Now harmless, this looming post struck fear into the heart of medieval troublemakers.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

These spooky and unusual stone formations create an underworldly landscape.

The last woman executed for witchcraft in Europe is remembered in this Swiss museum.

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

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

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

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

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

Large Hadron Collider and the Birthplace of World Wide Web.

This famous writer's tombstone is a literary pilgrimage site that was publicly defiled by a rival.

France's highest manned weather station is the only one still inhabited by meteorologists.

The world's tallest bridge is also possibly the most elegant.

This French "sea of rocks" is packed with stunning rock formations and its own medieval castle.

One of the greatest maze designer’s greatest mazes.

A beautiful maze marks where three countries meet.

The hidden lair of an alchemist rediscovered in a 2002 flood.

The great Italian Renaissance painter was laid to rest here in the Chapel of Saint-Hubert.

Most complete collection of Gymnosperms in the world.

Stumbling upon this whimsical wooded garden is like stepping into an enchanted forest full of philosophical musings.

A series of modernist treehouse hotel rooms grace the outskirts of an Arctic forest.

The sun acts as a key that only fits this giant keyhole twice a year.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

A tiny, forgotten park of surrealist sculptures in Angouleme.