This giant natural cave is right below one of America's favorite theme parks (and yes, you’re allowed to explore it).

During the festival, Silver Dollar City will also debut the expansion of the Plaza area ... Helios Grand will be inside the park with a private entrance to Epic Universe and out-of-this-world views ...

One of the best amusement parks in the U.S., Silver Dollar City is a unique theme park that combines both thrilling rides and entertainment, as it embraces a down-home, late 19th-century vibe.