This famous writer's tombstone is a literary pilgrimage site that was publicly defiled by a rival.

The idyllic island where the philosopher Jean-Jacques Rousseau spent “the happiest time of his life.”

The alpine falls where Sherlock Holmes apparently met his demise can actually be visited.

A historic observatory precariously perched at the "Top of Europe."

This skeleton-filled altar piece served as a backdrop to one of the most iconic scenes in "The Sound of Music."

The cafe that acts as the social hub for the small volcanic island of HMS Bounty fame.

This historic fountain is a favorite neighborhood meeting point.

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

The earliest known map to show America, discovered by accident at a Paris bookshop.

The little church's beautifully frescoed ceiling has earned it the nickname “the Sistine Chapel of Madrid.”

A whimsical brother of the nearby Fallen Angel statue takes the falling part quite literally.

Commonly acknowledged as the only public monument to the Devil himself.

An ancient Egyptian temple in the middle of Madrid, Spain.

Hanging within this medieval church are the bones of a beast allegedly slain by a fourth-century saint.

A medieval weapon rumored to have been used by the brilliant poet himself.

The most gigantic, swoony, intimidating trio of fingers in all of antiquity.

Germany's longest suspension rope bridge.

The "feral child" who appeared in Bavaria in the 19th century remains as much a mystery as his unsolved murder.

A unique bridge with an equally unique view.

This unique medieval artwork featuring the story of the Antichrist remained lost for decades.

The site where a plot to assassinate Hitler was planned—and its conspirators were executed—is now a powerful memorial to the German resistance during World War II.

The bells remain in a shattered heap exactly as they fell when the church was bombed in World War II.

A statue honors the local legend that the devil helped build St. Mary's church after being tricked into thinking it was going to be a wine bar.

Flowers have mysteriously appeared on her effigy every day for the last 150 years.