• Wind Cave National Park - Two Worlds

    Wind Cave

    National Park South Dakota

Wind Cave Room - Big Dark

Big Dark
Big Dark
NPS Photo
Large room discovered by Steven Smith, Bill Hawn, Doug Kent, and Evan Anderson on May 8, 1993.

Did You Know?

Blue Flax

Blue Flax is often considered a subspecies of the Eurasian L. perenne which is very similar. The plant is named after Meriwether Lewis. More...