• Wind Cave National Park - Two Worlds

    Wind Cave

    National Park South Dakota

Cacti - Nylon Hedgehog Cactus

Nylon Hedgehog Cactus - Echinocerus viridiflorus
Nylon Hedgehog Cactus - Echinocerus viridiflorus
NPS Photo

Did You Know?

fire on the prairie

Fire is an important factor in protecting the prairie. Historically, fires burned across the prairie every 4 to 7 years. Fires burn the small trees that would otherwise march across the prairie and turn the grasslands to forest.