Banksy's image of a naked man dangling from the window of a sex health clinic.

These brass bunnies honor the rabbits that dominated the no-man's-land around the Berlin Wall.

This Polish cave has housed a dragon, a brothel, and an enduring legend.

This historic, palatial theater is now one of the world’s most beautiful bookstores.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

Real bones which are said to have belonged to a Polish dragon.

A labyrinthine network of chambers with a storied past hides below Edinburgh's South Bridge.

This early version of the guillotine was used to execute the man responsible for its construction.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

The oldest hall in Iceland was written of in the Sagas and features a centuries-old escape tunnel.

This natural Icelandic fissure allows divers to swim right between two volatile tectonic plates.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

Walk in the footsteps of the gods and straddle two tectonic plates.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

This Bronze Age burial mound used to be called "Robin Hood’s Piss-Pot" until it was renamed by spoilsport Victorians.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

The undercroft is a spectacular example of medieval Cistercian architecture.

The largest oak in England is said to have been the hideout of Robin Hood and his Merry Men.

A striking 500-year-old mansion provides an unexpectedly sublime home for live deer and a menagerie of exotic stuffed animals.

The oldest inn in England served brew to the crusaders.

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

These abandoned coal mine towers near Sherwood Forest might soon boast the U.K.’s longest zip-line.