Humberstone Saltpeter Works, UNESCO World Heritage Site, Atacama Desert, northern Chile, Chile, South America

abandoned aged air america american american architecture atacama attraction attractions building buildings chile chilean closed day daylight daytime desert deserted desolate disused during erstwhile exterior exteriors factory former formerly forsaken frame frames head heritage historic historical historically history hoist humberstone in industrial industrial industry inoperative latin mine mines mining monument monuments museum museums nitre nobody northern of old once one one time open open air out out of service out of use outdoor past photo photos pit plant plants rust rusted rusty salpeter salpetre saltpeter seeing service shaft shafthead shot shots sight sights site site sites sites south south the through time times tourist tower towers unesco uninhabited unoccupied use vacant view views winding works world worth