Located on 420 acres in the high desert, this spiritual center is dedicated to the "science of the future."

This historic train station has been converted to a locomotive themed hotel.

When Motown musicians came to Nashville in the 1960s they stayed at this historic record-pressing company because hotels wouldn't host them.

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

These constructed wetlands naturally filter millions of gallons of treated wastewater every day.

A self-explanatory attraction allows fans to respectfully remember and honor a comedy legend.

Swarms of butterflies cannot compare to the awe inspired by the publicly-funded nakedness once displayed in this sunken garden.

Historic funicular railway, believed to be the shortest railroad in the world.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

The legend associated with these ruins understates the splendor of the mansion that once stood here.

America's only city hall with minarets took architectural cues from Ali Baba and the Forty Thieves.

When you can't get to the Pacific, just go to Florida.

Three hundred years of preserved Spanish colonial history in San Antonio.

These boots are made for selfies.

Elevated freight railway turned wildly successful urban park.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Dramatic river bend surrounds a natural red-rocked pedestal.

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

A store full of vintage and indie toys designed to bring out the kid in even the crustiest of adults.

Cavernous opening completely encased in Karst limestone.

An underground magnet for ever-changing street art.

This spiny beast guards an artist's village while vying for the title of largest lobster in the world.

Former villa and estate of James Deering developed to preserve native tropical forests.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.