You have to love a museum with a truly dedicated focus. A focus on Superman, for example.

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

Fresh wooden posts have been added to ancient holes to recreate a primitive henge clock.

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

The seventh largest spring in the world.

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

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

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

The grandson of a Kiowa chief created what has become the iconic symbol of a city on the Plains.

Home to Hollywood history and a very special salt crystal.

More than 12,000 years ago, this park was a playground for mastodons.

The longest of the four remaining covered bridges in Missouri.

An underground river pushes more than 200 million gallons out of this Missouri spring every day.

Some of the oldest exposed rock formations in the United States.

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

Around 50 million gallons of water flow from this spring every day.

A 40-foot waterfall flows into this unique natural swimming hole.

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

These pink granite water slides are the result of millions of years of erosion.

Often referred to as the largest spring in America.

One of the deepest springs in Missouri.

Stand at the point where the two mightiest rivers in the United States converge.

A mythical bird etched into the face of a rock doubles as the mascot for a nearby school.

A celebration of the animation wizard's childhood home and antique railroad memorabilia collection.