Marvel Cave is the deepest cave in Missouri.

They came to the cave, which was later namedMarvel Cave, in search of marble and iron.

But instead of precious rocks and metals, they found bat guano commonly known as bat droppings.

Interior of Marvel Cave in Missouri

Credit:Eric Lindberg/Courtesy of Silver Dollar City

And by 1960, the mining-site-turned-tourist-destination became the centerpiece ofSilver Dollar City, a theme park inBranson, Missouri.

The 1880s-themed park has all the attractions youd expect from a park that was named theNo.

1 amusement and water parkin the U.S. by Tripadvisor in 2023.

Visitors looking at a waterfall inside Marvel Cave in Missouri

Courtesy of Silver Dollar City

(These rock formations are alive and still growing.)

Both creatures are rarely seen by visitors, yet remain an important part of the caves story and ecosystem.

Marvel Cave and Silver Dollar City are located just west of Branson inthe Ozark Mountains.