A regular looking rock with an unbelievable history.

Conspiracy theories and occult legends surround this mysterious natural rock formation.

The UFO capital of Australia is the outback’s answer to Roswell.

This small town Texas cemetery is said to be the burial site of a UFO pilot who crashed in the 1800s.

The site of a mysterious pony massacre is rich with extraterrestrial conspiracy theories.

A working ranch doubles as a sustainable hub for world-renowned classical music and large-scale sculptures.

The highest point in Montana is as rugged and singular as the state itself.

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

The highest point in South Dakota contains the ashes of Valentine McGillycuudy, the "Holy White Man."

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

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

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.

South Dakota's oldest operating brewery is housed inside a historic firehouse.

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.

Known as "The Hill of the Little Devils."

An ornate Art Deco tile mosaic representing Nebraskan life, both modern and prehistoric.

The notorious couple camped at this site after a bloody shootout with police.

An obelisk commemorating Lincoln's role in connecting the coasts.

Beating out all other concrete competitors, this massive garden feature's pointy hat has earned it a world record.

Yo, Adrian!

The farm toy capital of the world hosts a museum filled with toy tractors dating back to the late 1800s.

The 606 is a decade in the making.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

One-of-a-kind preserved ruins of an abandoned 1880s church in Chicago's Pilsen neighborhood.