James Turrell's total color immersion art installation, hidden on the top floor of a luxury handbag shop.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

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

On the Oregon coast there is a natural hole that seems to be draining the sea.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

A huge musical instrument played by the ocean.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

An artsy hidden staircase leads to breathtaking views of San Francisco.

Hidden amid a collection of trails is the site of a tragic crash.

This vast kitty-themed collection illustrates the history of human-cat interaction.

An eerie site of reverence for those who have completed an epic journey.

They call this long foot bridge a swinging bridge, but really it's the bouncing you have to watch out for.

The only zoo where you can buy animals that won't need feeding.

The world's largest set of the ten commandments lay nestled in the heart of the Great Smoky Mountains.

A miniature golf course crafted inside the world's largest simulated cave.

Overshadowed by quilts, the artistry of these patterned textiles went underappreciated for too long.

The antique hotel still has a jail in the basement, though the cockfighting ring is long gone.

A piece of crumbling highway infrastructure was repurposed as a high-tech facility for testing racecars.

An office built to look like a giant basket.

The world's largest private aircraft collection.

The world's 2nd or 3rd or 4th busiest seaplane base.

A museum preserving one company’s history of preserving food.

Home to a giant switchblade and one of the world's largest collections of pocket knives, this museum is a cut above the rest.