The first commercial phone line west of St. Louis was installed thanks to a group of Cherokee businessmen.

The largest protected conservation area in the Ozarks—a region that stretches into northern Arkansas and southern Missouri.

Site of the 1926 murder trial of Ernest Burkhart who was involved in the "Reign of Terror."

This enthusiast-led facility is the only museum in the country dedicated to the preservation of weather artifacts.

The only fully-realized skyscraper built by the famed American architect, Frank Lloyd Wright.

A tiny but mighty little pumper sits in the middle of the street, waiting for the next big oil strike.

Claims to be the "World's Highest Hill."

One of the largest Masonic temples in the world, created at the height of the oil boom in ostentatious style.

Songwriter Leon Russell transformed this church into a recording studio used by many legendary musicians.

Sid Vicious famously punched a hole in the wall of this iconic music venue.

The fifth tallest statue in the United States is a shirtless monument to the oil worker.

One believer transformed a local curiosity into proof of Vikings on the Great Plains.

Where hills of dirt conceal the burial ground of one of the most powerful ancient Native American societies.

Standing at 21-feet tall, this space cowboy adds to the legacy of Route 66's muffler men.

American bison herd descending directly from a Bronx Zoo breeding program that saved the species from extinction.

The collection is housed in an exquisite mansion that makes you feel like you've been transported to an Italian villa.

An acoustic anomaly with a mysterious cause sits in the heart of Tulsa.

A dangerous narrow-gauge railroad once traced a route through this striking canyon.

Colorado’s second largest natural lake was created by a landslide.

This National Natural Landmark is one of the best examples of a “mass wasting” in the world.

The temporary burial site of the man who shot and killed Jesse James.

Take a self-guided tour through one of Colorado's most elevated mining districts.

The worst road in Colorado is the main gateway to some of its highest peaks.

When ecosystems collide in the arid Southwest.