A spooky juxtaposition of caves and graves gives this legend-filled cemetery a particularly haunting vibe.

This unchanged Victorian park is rumored to have been the inspiration behind Peter Pan's Neverland.

An engineering error ensured this cavernous 350-foot-long subterranean thoroughfare was never used as intended.

There's a labyrinth of medieval chambers hidden deep below a 15th-century pub.

A labyrinthine underworld of tunnels and caverns hides beneath the city.

This 16th-century pole was once used in brutal public executions.

The final resting place of England's most notorious bandit.

A circle stone within a stone circle.

A neolithic dolmen that was rebuilt after collapsing during the 19th century.

Perhaps the only prehistoric monument with its very own public bus stop.

Around 30 ship figureheads are housed at this 11th-century abbey and gardens.

This tombstone marks the spot where the legendary British spy met his end.

A replica of the famed statue far from home.

More than 500 years after his death, a medieval ruler's remains were found buried under a parking lot.

These rare statues are one of the few remaining material witnesses to Old Prussian culture.

This antique thermometer honors the creator of the first universal temperature scale.

A mysterious emblem tucked in an small alleyway is actually the coat of arms of a heroic medieval family.

One of the world's largest amber altarpieces is housed within this reconstructed medieval church.

A mysterious concrete hand reaches out from between the stones of Uniwersytecki bridge.

A tribute to the first human in space.

A cluster of headless, armless sculptures looms within a popular Polish park.

The traditional Polish croissant, folded 81 times into the shape of a horseshoe, is a legally protected cultural treat.

These mechanical goats first battled it out in the year 1551, all because of an overcooked deer.

Order cookies baked by cloistered nuns in a 400-year-old monastery.