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

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

An unusual round church in London with a Templar past.

Hamburg's first legal sex work is relegated to a gated street that still does not allow pedestrian women.

Vortex-shaped aquarium hosts Europe's largest school of piranhas and other ocean creatures.

The largest bottled beer collection in the world holds over 22,000 unique beer bottles.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

Opulence and fantasy collide in this royal chair which is supposedly made with unicorn horns.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

Copenhagen's celebrated theme park and gardens.

It houses the remains of a 17th-century version of the Titanic.

A Gothic-inspired fish market is Gothenburg's best place to find loaves and fishes.

A pink and gray pair of pachyderms advertise a fireworks shop.

This quirky curiosity shop takes its cues from the world's bazaars.

The most photographed house in Maine looks good enough to eat.

Scene of the grisly murder of two Norwegian women in 1873.

The once-abandoned 140-year-old hotel used in the movie "In Dreams."

One of the few brewers in the U.S. experimenting with hop-free beers.

True to its name, this bouncy walkway may be the world’s smallest suspension bridge.

Despite being made of a seashell mortar, the crumbling remains of this historic Florida mill are still standing.

The third tallest lighthouse in America once guided author Stephen Crane to safety.

The ruins of this antebellum sugar plantation are the end result of a Seminole attack during the Florida Wars of 1836.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

Intertwined, interspecies trees which locals believe can grant boons to lovers.