Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

A natural dome made of volcanic glass in Inyo National Forest.

The hundreds of movies and television shows shot in this high desert town are commemorated in a unique museum.

A secret fresh water spring for animals and humans alike hidden along the most famous road in the United States.

The remains of a boarding school designed to forcibly assimilate Native American children.

Don't blink or you'll miss it.

A tribute to the statues of Easter Island along Route 66.

A classic Route 66 landmark that was built with scrap lumber and is held together with kitsch and puns.

Bootleggers ran booze beneath this building before (and after) Route 66 appeared beside it.

Its history includes dinosaur fossils, cattle rustlers, Georgia O'Keeffe, and a mythical giant rattlesnake named Vivaron.

This nearly abandoned town was once a thriving mining community until a series of fires.

Gleaming self-built castle towers made from beer cans and inspired by "Vitamin Mary Jane."

The childhood home of Henry Jones Jr. is now an adventure-themed bed and breakfast.

An antique narrow gauge railway line still running through the Colorado and New Mexico mountains.

The former home of the "Manassa Mauler" is now a museum dedicated to his legendary boxing career.

Inspired by a music box, a small town Vietnam vet carved an entire carousel full of animals by hand.

The first declared National Monument in the United States.

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.

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."

The highest point in Iowa, while not that impressive to mountain states, has earned its own monuments.

Mennes invented the tags we all place annually upon our license plates, and his story is told frankly and in full upon his headstone.

The world's largest Holstein cow.

The humble beginnings of the man known for his lavish "champagne" music.