On the highest peak in the Harz Mountains, science and the occult faced off in a failed attempt to turn a goat into a boy.

Volkswagen's dedicated museum dives into the complex history of one of the world's best known cars.

The only microgravity tower in Europe can produce nine seconds of weightlessness.

A German artist built a home and garden filled with whimsical art pieces, like a massive, operational volcano.

Constructed by forced laborers, this submarine pen is now a museum and war memorial.

Once the longest swing bridge in Europe.

The Suurhusen church tower in Germany leans over farther than the famous Leaning Tower of Pisa.

There are two dozen tanks just sitting in an open field in Lower Saxony.

A decomissioned facility where the German "Transrapid" maglev trains were once tested.

The nerve center of a massive, state-of-the art radio telescope that sprawls across Western Europe.

This Dutch windmill has its roots in an American invention.

This steel frame is a skeletal mirage of a lost 16th-century stone building.

The metal-free wooden towers of Brück.

A six-story, asymmetrical tower filled to the brim with scientific experiments.

One of the largest vehicles ever built is now open to the public.

The second-highest train station in Europe.

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

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

These medieval skyscrapers dominate the skyline of this small Tuscan town.

A former mining village that now operates as an open-air museum.

A lone nuraghe and a little old church with mysterious origins.

A striped 12th-century basilica sits in the countryside of Sardinia.

This weird, elephant-shaped rock also hosts two ancient tombs.

At an estimated 3,800 years old, this olive tree is one of the oldest on earth.