The maximum security facility was once thought to have "the bloodiest 47 acres in America."

A gem in the small Missouri town where Winston Churchill coined the term "Iron Curtain" and effectively began the Cold War.

A larger-than-life monument to the overlooked women who braved Western expansion and broke down societal barriers.

This ostentatious Italianate palace of an Oklahoma billionaire is filled with several themed mini-museums.

A hillbilly theme park that proved so unpopular the land wouldn't even sell on eBay after it closed.

An extravagant western hotel where every floor is the "ground floor."

This monumental Jesus is often referred to as "Our Milk Carton With Arms."

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

One of the best examples of Art Deco architecture in the United States.

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

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

These massive mitts are made of 30 tons of devotional bronze.

Sitting in the arguable birthplace of the Wild West, this museum holds the largest collection of bronco busting bric-a-brac in the world.

This museum holds not just a world class collection of firefighting artifacts and gear but even the region's first fire station itself.

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

The world's tallest statue of an American hero.

The only international border marker within the United States.

Final resting place of Geronimo, Quanah Parker, and the first atomic gun ever fired.

This soda factory is one of the last in America to use real cane sugar despite the protestations of Dr Pepper.

Housed in a century-old building, this museum's dedicated not just to soft drinks, but to the free enterprise system.

Tracks near this Texas nature site were once thought to support the Creationist belief that man and dino coexisted.

Crumbling hotel echoes with the sounds of the '30s.

A "Texanic" (gigantic Texas) collection of Art Deco architecture at Dallas' historic Fair Park.

A modernist landscape of water and sci-fi concrete.