The famous winding walk at Chartres is surrounded in mystery and myth.

The mummified heart of Louis XVII, the lost dauphin of the French Revolution.

Site of a classic 19th-century physics experiment to prove the earth is rotating.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

Steadily reminding Czechia of its past.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Macabre astrological automaton clock dating to the late 1400s.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

The Habsburgs' royal collections of art and wonders.

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

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

King Ludwig I's collection of beautiful women.

The patron saint of spinsters grasps a container of dried blood.

Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

The prototype for all Nazi concentration camps.

This magnificent museum claims to house the cranium of a disciple and the skull of a pope.

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

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

A seven-century-old jail tells a not-so-pleasant history of crime and punishment.

Oldest Museum of the Netherlands is a true cabinet of curiosities.

Unsurprisingly, Holland is home to one of the most magnificent flower gardens in the world.

The giant scales in this museum can still tell if someone is one of the devil's brides just by weight.