Mastodon Peak - 4 Things to Know Before Visiting

An intense concentration of cholla cactus. The small hike is through level plains, a mile in total on a loop.

Campground surrounded by large boulders and rock formations for which the Joshua Tree National Park is well known for.

The Wall Street Mill in Joshua Tree National Park was a complete and operable gold ore crushing mill featuring late-19th century two-stamp mill machinery. Consequently, the significance encompasses the mill machinery, the building which houses it, the well which supplied water for the mill's operation, and the well pump. It is the only gold ore crushing mill in the region that retains integrity.

A water storage facility constructed by early cattlemen, including CO Barker, in 1900. It is a gathering place for desert wildlife, including many species of birds and Desert Bighorn Sheep. Native American petroglyphs can be seen on the rocks present in the trail to the dam.

The Keys Ranch is the prime example of early settlement in the Joshua Tree National Park area. Bill Keys was the area's leading character, and his ranch is a symbol of the resourcefulness of early settlers. The ranch is an extensive complex of small frame buildings built between 1910 and Keys' death in 1964. Keys pursued both ranching and mining to make a living in the desert.

Oasis of Mara is a spring in San Bernardino County and has an elevation of 600 metres. A paved, level, half mile loop path winds through the oasis, which contains one main group of palms, centered on a spring, and a few other trees nearby, not all living; one section has a somewhat forlorn appearance, with several dead trunks having lost their crowns, rising above piles of long-discarded leaves.