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

abandoned aged air america american american atacama attraction attractions beam beams chile chilean closed cogwheel cross crossbeam crossbeams day daylight daytime desert deserted desolate disused during erstwhile former formerly forsaken gear heritage historic historical historically history in industrial industrial industry inoperative joist joists latin laura living 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 past pier piers plant plants salpeter salpetre saltpeter santa seeing service sight sights site site sites sites south south strut struts strutting support the time times tourist train truss trusses unesco uninhabited unoccupied use vacant wheel wheels wheelwork wheelworks wood wooden works works world worth