Follow the short trail until you reach a desert oasis where an old homestead with two windmills stands. It is a nice birdwatching spot.
Official Website http://www.nps.gov/bibe/planyourvisit/desert_hikes.htm
Address Castolon Rd, 79834, United States
Coordinates 29°16'32.225" N -103°22'10.83" E