Joshua Tree National Park comprises about 800,000 acres . Vandals face a $ 5,000 fine and the end of the month imprisonment . Park rangers close about 800,000 acres of a popular canyon . The vast graffiti park is battling rampant California splashed across its rock formations .
Vandals face a $ 5,000 fine and the end of the month imprisonment . Park rangers close about 800,000 acres of a popular canyon . The vast graffiti park is battling rampant California splashed across its rock formations .