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

The programmatic glory of LA's giant whiskey barrel building has become an upscale reminder of the city's kitschy roadside past.

A tiny red pebble marks what may be the quietest outdoor spot in the United States.

The only diamond mine in the world where you can keep what you find.

The superstar of Cold War nuclear bunkers has been featured in countless films but is now barely operational.

Sister store to the Echo Park Time Travel Store.

Finale of "William Tell Overture" can be heard as drivers pass over grooves in the road.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

The oldest Italian café in Boston, this spot also serves as a veritable museum of vintage coffee ephemera.

Nondescript elevator doors open to reveal a stunning, surreal world.

The remains of the first punk club in L.A.

A haunted hill that supposedly defied gravity.

Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.

An outdoor sculpture park of giant pink robots and post-apocalyptic Christmas scenes.

This small-town Connecticut restaurant gives each diner a free book from its vast library.

A stone arch leads to a cavernous 1930s spring house tucked away in the Pennsylvania woods.

The tea room that pushed the boundaries of adorable straight into...we can't find the words.

An unassuming secret door once led to a legendary watering hole.

The beauty of urban decay, hiding some dark secrets.

This free, take-a-book shop seems like a trick but isn't.

A restaurant on Staten Island showcases a different grandmother’s cooking every night.

Historic marionette theater features thousands of handmade puppets and free cups of ice cream.

The world's oldest hologram gallery and the labyrinthine laser laboratory of a holography pioneer.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.