Several colorful mosaic panels depict the life and creative genius of the Master of Suspense.

This museum inside a museum tells the story of London's timepieces.

The majority of the museum's large collection is held in a storage space open to the public a few times a year.

Artists and musicians now rule over this former rail station.

This hidden green space is the city's second largest conservatory.

Hidden beneath the streets of London is a secret subway that only carried mail.

A tongue-in-cheek arcade where the games are based on everyday life.

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

A kaleidoscopic warehouse-maze of handmade neon signs.

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

A small museum that celebrates the history and culture of the LGBTQ community in England.

The broken skateboards that became a poignant memorial to a murdered skater.

Beautiful steampunk ghosts of early Massachusetts.

A museum dedicated to the legacy of Bob Moog and his pioneering synthesizers.

This North Carolina museum is keeping the pinball craze alive, with a little Space Invaders on the side.

This little museum has an exhibit devoted to the elusive forest denizens.

This ultra-modern California span is actually a titanic solar clock in disguise built by famed architect Santiago Calatrava.

This 19th century train workshop is a treasure trove of railroad history.

A replica of the first public theater built in California.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

This 19th-century church is now a popular roller rink.

The randomness of this wall of lava lamps helps encrypt up to 10 percent of the internet.

A huge musical instrument played by the ocean.

The oldest remaining authentic Putt-Putt course that Donald Clayton created in Ohio.