• Wind Cave National Park - Two Worlds

    Wind Cave

    National Park South Dakota

Trees - Quaking Aspen

Quaking Aspen - Populus tremuloides Michx.
Quaking Aspen - Populus tremuloides Michx.
NPS Photo by Marie Curtin

Did You Know?

Prairie Dog Barking

Lewis and Clark, while on their journey up the Missouri River in 1804, noted that this "wild dog of the prairie...appears here in infinite numbers." More...