A neighborhood church's unusual abstract stained glass was the final project of avant-garde artist Jean Cocteau.

The 16th-century church has the only stained glass windows that survived the Scottish Reformation intact.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

A tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

Originally envisioned by King Ludwig II to rival Versailles, Herrenchiemsee's "New Palace" remains half-gilded for lack of funds.

A Faraday Cage protects cars from a nearby high-power transmitter.

His body was found mysteriously preserved in a Swedish mine over 40 years after his initial disappearance.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

An important landmark in the history of algebraic logic.

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

A stunning 18th-century site where pilgrims ascend by a series of punishing stairs only to return via funicular.

Picturesque intersection of witchcraft and ancient Christianity.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

Ancient catacombs form the foundation for this Rococo orgy of a church.

Elaborate tile work in this railway station tells the story of Portugal.

The remains of 40,000 humans, meticulously stacked in a tiny churchyard shed.

This 600-year-old home seems to defy physics.

This singular Irish dolmen is more Frank Lloyd Wright than upright stonehenge.

An Irish town has built a statue to a silent film actor simply thanks to the holidays he once spent there.

Site of one of World War I's most horrific scenes.

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

A towering baroque basilica jutting out of the French countryside.

The birthplace of Karl Marx is now a museum dedicated to the communist revolutionary's life and work.