This massive railroad spike celebrates the 1939 premiere of the movie “Union Pacific.”

An Iowa town celebrates its heritage with the tallest working Dutch windmill in North America.

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

This former mining town was named the most toxic town in America.

Travel through the hidden underbelly of the city in colorful tunnels filled with art and history exhibits.

A collection of outdoor art by renowned muralist Robert Dafford depicts the history of a flooded city.

This 19th century mansion façade adorned with immigrant patriotism is a symbol of Louisville’s history.

This grave marks the final resting place of a legendary frontiersman... unless it doesn't.

An enormous natural sandstone bridge in Kentucky.

This modern castle sat empty for decades before a fire inspired its builders to complete its luxury halls.

One of the few surviving "Wigwam"-themed motels.

A ship that lived many lives under many names is now known merely as the "Ghost Ship."

Prehistoric animals decorate this popular outdoor park.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

Gutted airplanes slowly decay in a Florida field.

Once featuring over 60 miniature replicas of famous Chinese locations, the Splendid China theme park was completely abandoned and is now mostly rubble.

It's believed Elvis Presley was inspired to write his breakthrough track after staying here.

Mariners once used this prehistoric landfill as a navigational landmark.

A peaceful, unique botanical garden complete with waterfalls, mini islands, and swans.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

A local landmark with generations of spraypainted messages, and more being added each day.

Believed to be haunted, this old cemetery is beautifully adorned with Spanish moss hanging from the trees.

"Bite or Smite" became the unlikely mascot of a Tampa suburb.

These former theme park figures have a new lease on life outside a water plant-turned-restaurant.