An old spiral fire escape dangles above a public courtyard in Midtown Oklahoma City.

Along the historic Mother Road is an old gas station with a secret counterfeiting past.

The future of roadside attractions is this sci-fi soda mecca that is home to a 66-foot tall neon pop bottle.

The highest point in Oklahoma used to be a lawless outlaw's paradise.

Over 50 historic windmills whir away at this outdoor museum.

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

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

The legendary building that needed ghostly approval before being built.

An offbeat angle on the ocean viewed through an antiquated lens.

Once an ancient sea, this landscape of rocky ravines is filled with the fossils of ancient marine life.

The first "Hut" was actually a small brick building.

The world’s largest combined collection of U.S. and Russian aircraft got its start in a poultry building.

Home to Hollywood history and a very special salt crystal.

These otherworldly limestone formations jut out from the Kansas prairie.

This 100-foot tall bluff located in the western plains of Kansas overlooks a massive reservoir.

The notorious headquarters of a corrupt political machine.

The second largest waterfall by volume in the U.S., Willamette Falls is outdone only by Niagara in the amount of water that is pushed northward.

Home to the only outdoor municipal elevator in the United States.

This cavernous abandoned marble mine is popular with ice skaters in the winter.

A cable-suspension footbridge that hangs high above the Mill River.

A decidedly out of place statue memorializes the Blues Brothers characters at this water bottling plant.

After giving up Michelin glamour for his Amish faith, one chef now makes stellar sausages in a small, off-the-grid shop.

The eccentric mansion of one the most popular horror authors of modern times.

This Art Deco theater is the last remaining opera house in the “little Broadway of the North.”