A Jenga-style cylindrical tower of books that appears to go on forever.

This 22-floor tower's Skydeck offers panoramic views of Amsterdam.

One of the world's tallest statues is also one of its most hated.

Moscow's imposing monument to the Space Age.

Museum celebrating the achievements of the Soviet space program.

The gorgeous entrances into the city's underbelly look more like grand halls than subway stops.

The western face was supposedly left clock-less to snub the Welsh.

A rare wooden coffin set vertically into the Gothic arch of an ruined church.

Be on the lookout for the symbolic insect all over the city.

A hunk of prehistoric lava rests amid the Gothic architecture of a campus quad.

A giant wooden soda bottle pays homage to a distinctly British drink on the very spot where it was invented.

19th century museum with an eclectic mix of curiosities, from Egyptian artifacts to items on archery history to the skull of the world's oldest horse.

Have a seat with the father of modern computing at this Manchester monument.

A Victorian Gothic masterpiece housing a world-class collection of rare books and manuscripts.

A modern English garden of eccentric beasts, follies, and oddities.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

Eighty million natural history specimens call this gargantuan museum home.

One part local history, 99 parts gruesome haunted house.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

This sculpture celebrates a boules tournament and the link between Leeds and its twin city Lille.

This sculpture of Edward of Woodstock is surrounded by eight Victorian lamp bearers.

The name of this suspended sculpture is Latin for "high horse," which is exactly what it is.

One of three sites in England that house the National Collection of Arms and Armour.

Artists have long been drawn to these atmospheric 12th-century ruins.