He had brought our group to a stop in a flat area – like a small plaza in a hollow section of limestone – to tell us how cave explorer Floyd Collins got trapped nearby almost 100 years earlier. As he ...

Green Lantern #9 provides an explanation for this ... on behalf of the Guardians of the Universe. Tom led Hal into a cave where the Guardians had installed a new Central Power Battery.

Many say an especially fun way to visit is to walk the caves by lantern with engaging and animated guides who tell spooky ghost stories while sharing details about the caverns' history.