The hallowed ground of one of the worst atrocities in United States history.

The largest mural in the world painted by a single artist.

After retiring, Gary Pendergrass turned his yard into a wonderland of outsider art.

This former small town was destroyed not by the motor oil it sprayed the ground with but by the toxic waste that was added.

Once a slice of Cold War-era military history, this museum is finding its future in the stars.

The face of the famed flier in a hillside in her hometown.

A museum celebrating the Victorian obsession with hair art.

An indoor botanical garden for tropical plants looks like a giant cylinder lying on its side.

American bison herd descending directly from a Bronx Zoo breeding program that saved the species from extinction.

A peculiar forest that was handcrafted for government experiments.

Final resting place of Geronimo, Quanah Parker, and the first atomic gun ever fired.

This popular pilgrimage site offers a hole filled with holy healing dirt.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

"I did this all while you were watching TV."

This giant pocket watch is the third iteration of a local landmark that has been standing just off the Santa Fe Plaza for over 100 years.

A flat slab of stone perched hundreds of feet above the Gasconade River in the northern Ozark mountains.

The Lincoln Memorial has inspired many, even though a word on the inscription appears to be spelled incorrectly.

Look closely and you’ll notice that the color changes a third of the way up the tower.

The source of America's longest river is also a historical landmark and the start of a famous nude run.

This Las Vegas casino boasts one of only three spiral escalators in the United States—an engineering wonder.

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

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

One of America’s oldest and spookiest hotels, thanks to the residency of ghosts, dead presidents, and Alfred Hitchcock.

A museum chronicling pioneer life constructed over Interstate 80.