The footprint of a frustrated devil in Munich's Cathedral.

An ancient pagan site swirling with legends in the foothills of Franconian Switzerland.

A silly medieval mural preserved on the side of a Viennese house.

Giant WWII fortresses that fired 8,000 rounds a minute, now home to thousands of pigeons.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

Legends surround an ancient tree trunk riddled with nails for good luck.

The beautiful baroque library of the Hapsburg empire.

The world's biggest floating museum in Gothenburg, Sweden.

This castle ruin in the middle of nowhere is a gem for wildlife enthusiasts.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

A black cat protests the City Guild in Riga's Old Town.

These crumbling Latvian forts make for some haunting seaside ruins.

3,000 market stands in five former Zeppelin hangars.

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

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.

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.

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

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

Staves, storm-calling, and of course, necropants.

The gilded, masterful astronomical clock will calculate time, dates, and planetary positions for thousands of years to come.