Site of the 1879 Cheyenne Outbreak and the site where famed Sioux chief Crazy Horse met his fate.

Other-worldly rock formations and ancient fossils abound in this unique stretch of Nebraska badlands.

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

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

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.

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

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

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

The final resting place of the Hunkpapa Lakota leader Tatanka Iyotaka, commonly known by the English translation Sitting Bull.

These former Cold War launch sites have been preserved for tourists to see where the button might have been pushed.

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

A winged-helmed, sword-brandishing tribute to German Americans.

"...I guess that was your accomplice in the wood chipper?"

Sculpture garden and miniature golf course blend together in the oversized backyard of a Minnesota sculptor.

This lava formation earned its whimsical name from the log-like formation of it stones.

As the glaciers retreated out of northern Wisconsin, this unique natural wonder was crafted.

The titular fictional logger only inhabits this otherwise historically focussed museum via a piece of fiberglass kitsch.

A giant pair of thick black glasses mark the tragic demise of a trio of rock and roll legends.

Though it's thrived abroad, this forgotten Dunkin' rival has just one store left in the States.

This statue and its surrounding plaques tells the story of Ko-kwal-alwoot and the kinship between the Samish people and the sea.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

This fascinating and poignant museum chronicles every imaginable aspect of Spanish colonialism in the Americas.

This small and often-overlooked museum holds some of Spain's finest artistic treasures.

The only urban monument in the world designed by the great surrealist painter Salvador Dalí.