The Great Fire of London and the regulation of one-way streets both started in this alley.

The commemorative stone column conceals a secret laboratory.

The next-door homes of two very different musicians, George Frideric Handel and Jimi Hendrix.

Scattered throughout London are ancient remnants of the city's former bounding wall.

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

This contemporary art museum is filled with other, smaller museums, which feature work from artists primarily in the Pacific Northwest.

"The Reptile Man's" very own roadside zoo features an albino alligator.

This super-sized skillet is a replica of a usable giant pan where a woman once skated on bacon.

This playground sculpture of an icon from the past is dedicated to the children of the future.

Statue of Lenin, from Cold War era Czechoslovakia, now in a neighborhood of Seattle.

The final resting place of one of the most sensational guitar players of all time was created only after his father got the rights to his music.

One small town in the Pacific Northwest transformed itself into a Bavarian-themed tourist destination.

From a neon Rapunzel to a bike traffic meter to a street fair color scheme, the most opened drawbridge in the US is a veritable art gallery.

The tech giant built three enormous glass orbs in Seattle so employees could work inside a rainforest greenhouse.

A beautiful final resting place for some of the noteworthy deceased.

A French chateau, failed utopian community, odd museum, and Stonehenge replica in rural Washington State.

A wall of chewing gum moonlights as collective art.

This former coal gasification plant found a curious second life as a popular public park.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

A museum dedicated to the history and exploration of both popular music and science fiction.

A giant Troll lurks under one of Seattle's oldest bridges.

France's most famous cemetery, with some of its most curious tombs.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

A trading post in the North Pole where children send letters.