A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

A sculpture of the beloved author surrounded by characters from his fairy tales.

This Roman statue is missing a limb from when the Venetians stole it from Constantinople during the Crusades.

An extensive collection of reliquaries containing the bones of saints housed in the largest Catholic church in Venice.

Two stone columns flank the grand Venice square, but there were supposed to be three.

Go inside to really appreciate this 500-year-old technological masterpiece.

Imagine having a street run right through your home, or better yet, a historic bridge three stories high.

Overlooking the burial ground is a tower designed to prevent thieves from snatching the recently deceased.

This 15th-century structure had a long, tortuous journey to its current location.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

A 18th century graveyard and its astonishing cortege of macabre iconography.

This monumental mural crafted nearly 40 years ago is still in perfect condition.

A sculpture of a beloved local figure, who tipped his top hat to everyone he passed on the streets of Bratislava.

This large copper bolt represents the benchmark for measuring sea levels in most of Europe.

An astonishingly accurate water clock that doubles as an hourly spectacle in this Berlin shopping area.

A mechanized clock where a man fights off a dragon, crab, and rooster.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

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

Offal and flawless onion soup are on the menu at this restaurant that once catered to the workers of Les Halles.

A tribute to an explorer and naturalist often overlooked by history.

This marine reptile was discovered by one of the 19th century's greatest fossil hunters.

The bones of two medieval royal lions were discovered at the historic fortress.

Eighty million natural history specimens call this gargantuan museum home.

Amsterdam's narrowest house facade is a monument to 17th-century tax evasion.