A collection of 20th-century automata, penny arcade games, and musical contraptions.

A psychedelic labyrinth on the San Francisco bay.

One of the oldest producers of hand-folded fortune cookies still uses its original secret recipe.

A shining, cold, black organ lies in San Francisco's financial district.

Faceless white figures loom over the city from the rooftop.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

An engineering error ensured this cavernous 350-foot-long subterranean thoroughfare was never used as intended.

The first place where the scientific innovation known as radar was first demonstrated in Britain.

This haunting location was featured in the final scene of a classic spaghetti western.

An enormous steel waterfall is a nod to the substance that shaped Britain's Steel City.

A tribute to the women who quietly kept the local steelworks alive during both world wars.

The storied English village that pretended to be insane inspired NYC's nickname and the fictional namesake in the DC Comics universe.

The longest and steepest staircase locks in the United Kingdom.

This iconic building was founded as a school for the impoverished, but became one for the sons of the local gentry.

A petite castle folly in the English countryside.

The last four extravagant street signs of London's historic banking street.

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

This one has sailed five times as far as Sir Francis Drake's famous ship.

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

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

This aircraft museum is home to one of just three Halifax bombers in the world.

One of the highest Roman forts in Britain is set amid dramatic scenery on a notoriously difficult road.

The highest peak in all of England is plagued by dangerously fickle climate shifts.

This incredible viaduct was part of the Victorian railway boom and helped the Midland Railway navigate tough terrain.