Here are some pictures:
Wind Cave - Popcorn formations
Here is one of many light colors from the show!
Some buffalo crossing the road...
Wind Cave Nat'l Park - These caves aren't like your normal stalagmites and stalactites caves - they have boxwork, popcorn, and frost formations which is very rare globally!
Example of boxwork formations
More boxwork formations
Mountain goat on the side of the road!
Mt. Rushmore from the parking lot
Crazy Horse replica (1:34 scale) and the mountain the background