In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

Each year these high desert hills are absolutely covered with poppy flowers in a surreal show of nature.

New York City's smallest piece of private property.

A dilapidated dock tells the story of Titanic's missed arrival.

A beautiful geyser under environmental threat.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

Its buzzing collection honors vibrator history.

The first declared National Monument in the United States.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

Shop selling 500 flavors of soda has something for everyone.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

The seamy, underground secrets of Portland's criminal past.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

The ghostly remains of an accidental sea.

A trash dump made beautiful by nature's power.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

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.

Most-visited and most-photographed slot canyon in the American Southwest.

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

A crumbling hospital from the 1850s on Roosevelt Island.