Lighthouse Cave Telescope
Arecibo lighthouse is one beautiful setting on the hill overlooking the ocean. Camuy Cave home to the third largest underground river in the world, the Camuy Caves are part of one of the most massive cave systems in the Western Hemisphere. The Arecibo Observatory is a radio telescope in the municipality of Arecibo, Puerto Rico. This observatory is operated by University of Central Florida, Yang Enterprises and UMET, under cooperative agreement with the US National Science Foundation.