A Borgesian work of art that may blur the line between fiction and reality a little too convincingly.

The only arched bridge made of stone on the entire Mississippi River.

A small section of Boise, Idaho maintains the unique culture and traditions of the Basque people.

The 606 is a decade in the making.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

A portion of the old Pirates stadium over which a defining home run once flew still stands even after the rest of the stadium was torn down.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

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

Once the most painted on object in the world, this short campus fence is well on its way to being so again.

A take-out restaurant that only serves cuisine from countries with which the United States is in conflict.

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

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

This high point in the Great Smoky Mountains is said to be home to the chief of all bears.

This angular brutalist playground turns playtime into modern art time.

The other side is actually green.

A grove of colossal man-made flowers built to collect the sun's rays.

A former electrical substation is now home to an eccentric junk art masterpiece.

Austin’s nonprofit-run graffiti park where street art is meant to be painted over.

Turning night into day in Victorian-era Austin to thwart a serial killer.

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

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

A gothic palace of endless stalagmites and pseudoscorpions waits within one of the world's most beautiful caves.

A Prada store in the West Texas desert that is never open for business.