This former mining hub holds a surprising abundance of undisturbed relics from the Old West.

A town's monument to a touch-football victory 50 years in the making.

A giant milk bottle from the 1930s beckons drivers to this diner.

This inanimate goat created by the "welding nun" has been helping to clean up the city of Spokane for more than 40 years.

The former home of the "Mother of Father's Day."

The decorations were inspired by an unlikely missing treasure.

Local legend has it that an old, decaying staircase outside this cemetery is haunted by dozens of ghosts.

Protected from the elements, these Native American rock paintings have survived approximately 250 years.

Site of the greatest known waterfall that ever existed.

People come from across the globe to swim in this lake believed to have healing properties.

A bust of the first president welcomes visitors to the only town in America called George, Washington.

An exercise in patience and imagination, where Mother Earth turned common stuff into precious hidden treasures.

This metallic stampede sits frozen on a Washington ridge yet the artist's vision is still incomplete.

An obscure waterfall that looks like something out of a fantasy novel.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

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

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

One of America's first dinosaur parks gives a window into Depression-era paleontology.

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

A place where the laws of nature seem to have gone completely berserk... but of course haven't.

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

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

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

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