Picnic at the entrance of the park.The Joshua tree is the arborescent form of Yucca brevifolia.Another type of yucca.Cholla GardenCaution! The cacti have incredibly sharp, hooked needles. It is easy to brush against one.If you do, you cannot shake it away. You will spend many agonizing minutes extracting the barbs.This campground is mostly for tents but some small RVs can squish in...