This is situated along the boundary of three towns in Rizal, Antipolo, Binangonan and Angono. The Angono Petroglyphs is known as the oldest work of art in the Philippines. The stone carvings date back from 3000 BC. This was discovered by National Artist Carlos “Botong” Francisco in 1965. This was declared as a national cultural treasure by virtue of P.D. No. 260. One of the bikers who visited the place at the time we were there told us that the site used to be a lying-in clinic of the pre-historic people as depicted by pregnant women in the stone carvings. There is also a museum in the site, too bad it was closed when we visited the area. This is a place that must be promoted as this is truly a cultural treasure,