A tiny racehorse graveyard in the middle of a quiet Kansas City suburb.

This giant green head remembers one of America's jazz giants.

This Italianate Villa-style castle is pretty to look at, just keep off the private property.

Undone by Prohibition, this abandoned brewery-turned-flour mill is now ready for its third act.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

This abandoned prison castle has become an imposing gallery of graffiti art.

This historic church is named for abolitionist Henry Ward Beecher and the ruse to arm his fellow abolitionists.

A statue high in a hill that represents how Buffalo Bill got his name.

One of the Eight Wonders of Kansas and the first official National Natural Monument these stark formations look like nature's Stonehenge.

Curious rock formations in a tiny Kansas state park.

Marking the spot where a conquistador gave up his search for the fabled Seven Cities of Gold.

A sobering scientific reminder of the human damage caused by the advent of the nuclear age.

Da Vinci's equestrian statue, 500 years in the making.

Elvis's own personal tropical hideaway.

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.

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

The world's longest known cave system.

A bizarre house filled with an astounding array of collections.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A museum dedicated to the alleged Roswell Incident.

A gorgeous garden oasis with winding paths, stone bridges, and a troubling history.

Abandoned railroad tunnel is home to a colony of three million Mexican free-tail bats.

A Hawaiian stairway to heaven—that you can't climb.

This narrow coastline trail through the dense Kauai wilderness is among the most beautiful and dangerous in the world.