Its eclectic exhibits range from the world’s first motorcycle to Luke Skywalker’s Land Speeder.

A six-story-tall golden pyramid, surrounded by a moat.

The spaceship-like theater, which is still in use, was one of the most popular exhibits at the 1964 New York World's Fair.

The oldest operating Mississippi River–style steamboat still navigates the Ohio River.

Moonbows over Kentucky.

Three courses accompanied by Christian rock.

A theme park featuring a replica of Noah's Ark built to the measurements specified in the Bible.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

America's post-nuclear-attack chambers of Congress.

A motel dedicated to Southwestern nostalgia.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

A spiritual vortex among the red rocks in Sedona.

Local lore holds that Butch Cassidy took an escape route through Red Canyon's sandstone hoodoos after an attempted murder.

Where a guard killed nine German prisoners during one of the worst 20th-century POW camp massacres in U.S. history.

A house carved into a rock in the 1940s.

Few things look more out of place than the electric blue ponds in the reddish-brown desert of Utah.

The fifth-longest natural arch in the world, and the longest outside China.

Its history includes dinosaur fossils, cattle rustlers, Georgia O'Keeffe, and a mythical giant rattlesnake named Vivaron.

In 1967, murder and mayhem disrupted the tranquility along this quiet stretch of Old Route 66.

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

A museum to a cave explorer whose tragic death was a media sensation, and whose corpse became a tourist attraction.

The world's longest known cave system.

The only recreation of William Shakespeare's indoor playhouse.