Marble Caves of Patagonia in Chile – are wonderful bright blue grottoes, partially submerged in a no less brilliant turquoise waters of Lake Carrera. The lake is on the border of Argentina and Chile, and the caves are located on the side of Chile. The caves are the three main grotto: Chapel (La capillaries), Church (El Catedral) and Cave (Cueva). Visitors can explore the caves on a small boat or kayak, but only after the waters of Lake Carrera calm down and be serene. This rare and wonderful miracle of nature is threatened by plans to build pyati large dams in the region. If you are visiting the cave – Treat them with respect and reverence.