Elevated freight railway turned wildly successful urban park.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

A terrific purveyor of natural history objects and curios.

The only museum with its curator—and her pets—buried inside.

A treasure trove of Renaissance-era funerary art in a Roman church built on top of Nero's grave.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

2300-year-old Roman road connecting the empire.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

At Monet's beloved home you can still see the Japanese bridge, waterlilies, and weeping willows that were the subjects of some of his most iconic paintings.

France's most famous cemetery, with some of its most curious tombs.

The former home of France's controversial pop maestro is almost completely covered in ever-changing tributes and graffiti.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

The world's most important buildings shrunk to a tiny size.

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

Baroque celebration of the end of the Great Plague of Vienna.

Op-art architecture designed for happiness.

Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.

The site of Austria's biggest concentration camp now honors its victims.

Metro station with a claim to rock n' roll fame.

Twisted buildings adorn the banks of the Rhine river.

King Ludwig I's collection of beautiful women.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

The most visited, and possibly most controversial, museum in Germany.