An old spiral fire escape dangles above a public courtyard in Midtown Oklahoma City.

Travel through the hidden underbelly of the city in colorful tunnels filled with art and history exhibits.

An immersive art experience built by local arts collaborative, Factory Obscura, in the building formerly known as The Womb, a psychedelic arts center founded by the frontman of the Flaming Lips.

A spiritual vortex among the red rocks in Sedona.

Hawaii’s largest cemetery rests inside an extinct volcano crater.

Once the site of the Hawaiian monarchy, this building was originally designed as a palace.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

Doris Duke's lasting collection of Islamic Art, hidden in a Hawaiian paradise.

Parts of the civil rights movement unfolded in this historic eatery, helmed by the "Queen of Creole Cuisine."

Housed in a century-old building, this museum's dedicated not just to soft drinks, but to the free enterprise system.

This float factory takes the mask off of Mardi Gras and lets visitors see where the magic happens.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

During the Industrial Revolution this “Temple of Invention” was full of intricate miniature machines and gadgets.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

A multi-storied adobe complex has been inhabited for more than a thousand years.

A wall of chewing gum moonlights as collective art.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

Stripes of flowers bloom each spring in a 50 acre rainbow of color.

This replica of the Greek structure is in the heart of Nashville.

The highest bridge in America was built for an almost unnervingly small amount of money.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

A sculpture made of 10 Cadillacs as a monument to the “Golden Age” of the American automobile.