Now nearly abandoned, Kaskaskia was once the capital of Illinois and one of the most important towns on the upper Mississippi.

This 1854 courthouse along the Mississippi River has a storied history.

Taxidermy, Cigar Store Indians, A Model of a New York Tenement and Delicious Draft Root Beer.

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.

Home to the deepest rift anywhere on Earth.

The remote outlaw hideout of Jesse James, Butch Cassidy, and the Sundance Kid.

Devilish landscape, once cinema home to giant alien bugs, now derelict roadside attraction.

These giant metal horses graze on a hilltop near the Montana highway.

Native Americans built this circle of stones, which was used to predict astronomical events.

The largest earthwork effigy in the world.

One of the Eight Wonders of Kansas and the first official National Natural Monument these stark formations look like nature's Stonehenge.

Marking the spot where a conquistador gave up his search for the fabled Seven Cities of Gold.

This giant meditative chakra sits peacefully in the Flathead Valley of western Montana.

This scented city oasis was a labor of love.

This improbable contraption was passed down through five generations of industrious Tennesseans.

This vast kitty-themed collection illustrates the history of human-cat interaction.

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

The wooden house where the jazz great learned to play the piano.

A delightful park featuring homemade scale replicas of dinosaurs, tucked away in the Tennessee mountains.

These eerie outliers of the lightning bug family glow a mysterious blue color.

Step back in time on this preserved 1800s farm.

Practice your Dirty Dancing lifts in the manmade lake where Johnny Castle himself did.

The humble horn finally finds a place in the sun.

The largest puppetry museum in the United States houses the world's most complete collection of Jim Henson artifacts.