This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

This London plaque marks the spot where David Bowie's famous alien made his debut.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

The pockmarks across the building's facade are remnants of the Blitz.

An ordinary lamppost situated in the middle of Cambridge has an unusual moniker and history.

An unusual artwork dedicated to a unique man that entertained people visiting Cambridge while raising money for charity.

Named after a lodging site that existed nearby, a bridge has existed at this location since 1455.

This tree was grafted from the actual tree that led Isaac Newton to ponder the theory of gravity.

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

A monument to the thrice mayor of London who according to lore made his fortune by selling his rat-chasing cat.

Giant, friendly pelicans in Central London, the most unlikely of places.

A makeshift shrine to the late rock star is still kept up on the nondescript façade outside 1 Logan Place.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

Numberless clock creates a meal of time for the dreaded, insectile Chronophage.

Local legend says Isaac Newton built this footbridge without any screws, bolts, or nails.

A mysterious shape catches the eye in this 16th-century painting.

The bronze uniforms commemorate the vital role of women during World War II.

This old residential building was once the largest flour mill in the world.

This 1960s kinetic artwork has been restored and is once again whirling away in downtown Minneapolis.

A bronze statue on a downtown corner honors Minneapolis's favorite career gal.

A giant pair of thick black glasses mark the tragic demise of a trio of rock and roll legends.

One of two giant blue cockerel statues erected with an intentional double meaning.