Every president in history is immortalized in bronze in downtown Rapid City.

Yes, this monument is aware that it is about 20 miles away from the actual center of the United States.

An entire city block built completely out of petrified wood.

This Wild West attraction is alive with glitching automatons.

A cemetery housing wild west legends in South Dakota.

Thanks to a loophole in property ownership, this alleyway has become a cacophonous street gallery.

The ravine where Jesse James supposedly performed an impossible jump to evade capture.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

Hidden behind Lincoln's head is a 70-foot-long chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.

This replica stave church looks like a piece of Norway was simply plopped down in South Dakota.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

This stone, said to have once been a young woman, is sacred to the Dakota and Lakota nations.

The humble beginnings of the man known for his lavish "champagne" music.

Pennsylvania's highest point is spotted with boulders which were pushed to the surface by nothing but cold.

This former fire tower found new life as a communications hub complete with a scenic overlook.

This claimant to the title of "smallest church in the 48 states" doubles as an equally tiny, quasi-post office.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

A living maritime paradox still floats in the same lake where it was built and resurrected... or was it?

A quirky collection of outsider art made from automobile parts.

The only statue of its kind to commemorate Washington's beginnings as an officer of the British Colonial Militia.

"Where the ducks walk on fish."

This manor in the woods memorializes one of the greatest birders of a generation.

A magnificent waterfall nestled in the heart of the El Yunque National Forest.

This scented city oasis was a labor of love.