This watchtower once presided over the Berlin Wall.

Check the time in 145 countries at once with this East German relic.

The real life town from the Pied Piper of Hamelin has a mechanical puppet show that retells the famous story many times a day.

Between Neo-Pagans and Neo-Nazis, these strange rock formations have a curious cult following and a very strange history.

A church filled with the bones of hundreds of virgins martyrs—or so they say.

This little jewel of post-war religious architecture is hidden inside the Diocesan Museum, which swallowed it when it was built.

This 19th-century fountain features sculptures of little gnomes that help with chores.

The bones of the Biblical Magi traveled to Constantinople and Milan before landing in their current home inside an elaborate golden reliquary in the Cologne Cathedral.

The body of at least one victim of a construction accident was left behind in the collapsed pylon, buried under tons of concrete.

This bunker in northern France was built by Nazi German forces with the intention of launching up to 50 V2 rockets at London each day.

This sculpture depicting the history of Maryport turns into a light show at night.

This original castle in Kendal is 1,000 years old.

This incredible viaduct was part of the Victorian railway boom and helped the Midland Railway navigate tough terrain.

This bunker site once briefly used by Hitler now features locals’ accounts of German occupation.

This striking fort on the Maginot Line looks just as it did after being destroyed in the Fall of France.

This modern French ossuary contains the jumbled bones of 130,000 WWI soldiers.

A colossal sculptural lion built by the same man who designed the Statue of Liberty.

Dining in this grain cellar feels like stepping onto a fantasy film set.

The Swiss artist's bulbous and overgrown shape-shifting sculpture controversially graces the center of Bern.

A fortified palace in the shape of a ship on the Thiou river.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

The bears of Bern have been a city highlight for over 500 years.

This bunny-eared Moses represents an attempted compromise between two biblical interpretations.

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