Sitting in the arguable birthplace of the Wild West, this museum holds the largest collection of bronco busting bric-a-brac in the world.

The largest land animal skull ever discovered.

Circus cemetery for all the “showmen under God’s big top.”

The granite monument is engraved with the image of the talking horse's head coming through a barn door.

One believer transformed a local curiosity into proof of Vikings on the Great Plains.

The collection is housed in an exquisite mansion that makes you feel like you've been transported to an Italian villa.

These massive mitts are made of 30 tons of devotional bronze.

An acoustic anomaly with a mysterious cause.

One devoted couple has donated multiple recreations of Michelangelo's sculptures to this South Dakota town.

Known as "The Hill of the Little Devils."

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

An entire city block built completely out of petrified wood.

A striking sculpture built to honor the women of the Lakota and Dakota Nations.

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.

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

Just a man taking his prehistoric pet for a stroll.

This oddity shop contains everything from antique tools to a human skeleton.

It was once used as a classroom to teach mining skills to local high school students.

Despite his legacy of work in Spain, Cuba, and Florida, the larger-than-life writer's grave is a simple affair tucked in an Idaho cemetery.

A legal loophole makes it possible to get away with murder within this 50-square-mile section of Yellowstone.

These black pillars of volcanic basalt seem to call mountain climbers with an unbreakable siren song.

Home to the deepest rift anywhere on Earth.

Curios, scientific antiques, oddities for sale.