Cueva del Indio

Cueva del Indio, in Las Piedras, Puerto Rico, is a prehistoric rock art site in what is now a public park. It was listed on the National Register of Historic Places in 2003. Artifacts at the site appear to stem from Late Ceramic Period, third phase, i.e., from A.D. 1200 to 1500.

Cave data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).