Whitaker Studio The property will be located just 1 mile away from the entrance to Joshua Tree National Park "at the finest point in Monument Manor," Engel & Völkers, the real estate firm selling the property, said. The property will be located just 1 mile away from the entrance to Joshua Tree National Park "at the finest point in Monument Manor," Engel & Völkers, the real estate firm selling the property, said. Advertisement It will be completely nestled into the rocky mountainside, providing quiet and privacy for the occupiers, and will be surrounded by a private mountain, rock formations, and "hundreds" of Joshua trees.