agavaceae
america
california
canyon
climate
death
deep
deposit
desert
dry
environment
eroded
exploration
extreme
formation
geography
geology
heat
hill
joshua trees
landscape
mine
mineral
mohave
mojave
mountain
national
nature
outdoors
park
range
road
rock
rough
scenic
steep
stone
summer
temperature
tourism
tranquil
travel
valley
wilderness
yucca brevifolia