Stargazing @ Joshua Tree National Park
The Joshua Tree is actually a yucca plant and is in the the same subgroup that includes flowering grasses and orchids. It grows primarily in the Mohave Desert, which includes Joshua Tree National Park, but you can also sometimes find them in the Sonoran Desert, hanging out with the Saguaro cactus.
A star trail is a type of photograph that uses long exposure times to capture diurnal circles, the apparent motion of stars in the night sky due to Earth's rotation.