 The Castle Mountain Range from Nevada Highway 164 near Castle Mountains National Monument |
 Monument sign along the California – Nevada border in Castle Mountains National Monument |
 The Castle Mountains at sunrise with Hart Peak (center right; 5,543 ft) in Castle Mountains National Monument |
 Hart Peak (center; 5,543 ft) at sunrise in Castle Mountains National Monument |
 Shadows fall on a mountain slope at sunrise in Castle Mountains National Monument |
 Hart Peak in a Joshua tree forest in Castle Mountains National Monument |
 Linder Peak (left; 5,580 ft), the highest point in Castle Mountains National Monument |
 A Joshua tree along the park road with Hart Peak in the distance in Castle Mountains National Monument |
 View of Linder Peak from the park road in Castle Mountains National Monument |
 The park road leading toward Hart Peak in Castle Mountains National Monument |
 Arm of a Joshua tree in Castle Mountains National Monument |
 Castle Mountain (left; 5,492 ft) and Linder Peak in Castle Mountains National Monument |
 Tarantula walking along the park road in Castle Mountains National Monument |
 Castle Mountain (left) and Linder Peak bathed by the sun in Castle Mountains National Monument |
 A swirling Yucca plant in Castle Mountains National Monument |
 Linder Peak in the sunlight in Castle Mountains National Monument |
 A young Joshua tree in Castle Mountains National Monument |
 A thick Joshua tree forest on a hillside in Castle Mountains National Monument |
 Dead Joshua tree in Castle Mountains National Monument |
 Closeup of the peak of Castle Mountain (5,492 ft) in Castle Mountains National Monument |
 Rugged ridge formations in Castle Mountains National Monument |
 Rock formations along a ridge in Castle Mountains National Monument |
 Chipmunk in the brush in Castle Mountains National Monument |
 Craggy ridge rock formations in Castle Mountains National Monument |
 Mountain ridge and Hart Peak (right) in Castle Mountains National Monument |
 Joshua tree and Yucca plants in Castle Mountains National Monument |
 Castle Mountain and Joshua trees in Castle Mountains National Monument |
 The Castle Peaks in Mojave National Preserve as seen from Castle Mountains National Monument |
 Castle Mountain with hills in the foreground in Castle Mountains National Monument |
 Hart Peak with sunlight painting its flank in Castle Mountains National Monument |
 Chain-fruit Cholla cactus backlit by the sun in Castle Mountains National Monument |
 Rugged mountain range in Castle Mountains National Monument |
 Wildflowers in the brush in Castle Mountains National Monument |
 Hart Peak and the Castle Mountain Range in Castle Mountains National Monument |
 A dead Joshua tree flanked by living trees in Castle Mountains National Monument |