For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

A snapshot of the city's fascinating voodoo culture.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Chef Lawrence West serves up Indian tacos, wojapi, and other Lakota dishes at the brick-and-mortar incarnation of his popular food truck.

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

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.

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

Just a man taking his prehistoric pet for a stroll.

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

This little gem of a museum is a hidden jewel filled with prehistoric treasures.

A Winnebago Tribe collection featuring arrowheads, artwork, and a mysterious rock carving.

When an ancient supervolcano erupted, some of Nebraska's prehistoric animals were forever preserved in ash.

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

An Iowa town celebrates its heritage with the tallest working Dutch windmill in North America.

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

Lured here by the promise of tens of thousands in gold, Jesse James started a quintessentially American trend of robbing trains in-motion.

A unique outdoor timepiece at a "clothing-optional" resort.

In a grove of fast growing walnut trees outside Paris, Illinois, a marker shares the story of a fictional road building culture.

This lush 12-acre site was once named the finest Japanese garden in North America.

An exhibit of items from the mental institution where Mary Todd Lincoln lived after her son conspired to have her committed.