An average of 33 million gallons of water pour out of the collapsed cave at the heart of this spherical spring.

A historic, scenic mill that was forced to close due to overlogging.

This curious headstone is labeled simply as "The Queen."

Who said a biker bar is no place for a taxidermy squirrel collection?

An unusual geological feature towers over the remains of a dark episode in United States history.

Spectacular views await visitors to this lake.

This museum is dedicated to telling the story of dinosaurs from a creationist perspective. 

The oldest badlands in North America, Makoshika State Park takes it name from the Lakota words for broken land.

This erect, phallic geological spire wasn't always named so domestically.

Oversized statues are just the tip of this nostalgic Americana roadside attraction.

The empty tomb that houses the memories of Roy Bertelli's revenge.

The poet’s boyhood home is now dedicated to celebrating his life and legacy.

The original vault that held the president's remains still stands, empty, not far from where he was finally buried.

Once a lonely sentinel on the edge of the Great Plains, this rebuilt trading fort offers a glimpse of life on the Santa Fe Trail.

Named for the 39 tribes that live in Oklahoma, this restaurant's menu deliciously highlights local flavors.

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

Very likely the only museum in the world that celebrates the glory of the humble banjo.

Collection of skeletal systems from the "world's leading supplier of osteological specimens."

Nature's biggest mammal swims in landlocked Oklahoma.

What was once a presidential estate is now an exotic menagerie and home to the Budweiser Clydesdales.

One man's vision and a labor of love of many.

A historic hotel library in Indiana hides more than a few secrets on its shelves.

A turn-of-the-century architectural marvel built on healing mineral springs and salt licks.

The home used in just a few seconds of film that came to define the setting of a hit sitcom.