The Gruta del Palacio (“Palace Cave”) is an ancient rock formation located in Central Uruguay, near the small town of Trinidad. This wonderful geological feature is composed of sandstone and sedimentary rock. The natural wonder formed around 70 million years ago during the Late Cretaceous period, later solidifying into its current appearance during the Paleocene. The peculiar cave is formed by an upper shell of sandstone sustained by multiple 6.5 feet (2-meters) tall natural columns that create a structure that resembles the porticoes of palaces, hence the name. These features…
