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On the sign:
ENTERING JOSHUA TREE NATIONAL PARK
UNITED STATES DEPARTMENT OF THE INTERIOR NATIONAL PARK SERVICE
The entrance sign to the Joshua Tree National Park, one of the most famous parks in the country. The park is named after the "Joshua Tree" a yucca (Agave) plant that resembles a tree, found in it. Joshua tree, photographed on the same day by the same photographer Click for a larger image