Most visitors to Joshua Tree National Park enter through the West Entrance in the unincorporated town of Joshua Tree, where an abundance of stores, restaurants, bars and lodgings serve visitors.

The center is open daily from 8 a.m. to 5 p.m. It's located south of U.S. Highway 62 (Twentynine Palms Highway) on Park Boulevard in the village of Joshua Tree. The center is free to visit.

But Yoder realized that 15 years of data on Joshua trees’ reproductive activity could be gathered via the iNaturalist database, where users can upload photos of plants and animals from their ...