Natural Site

Mount Roraima (South America) Editor Wed, 04/17/2019 - 08:50
Mount Roraima is the highest of the Pakaraima chain of tepui plateaus in South America. Its summit area is bounded on all sides by cliffs and serves as the tripoint of Venezuela, Guyana and Brazil. The tabletop mountains of Roraima are considered to be the oldest geological formations on Earth.
Sierra Madre (Central/North America) Editor Wed, 04/10/2019 - 21:12
The Sierra Madre is a mountain system that is part of the American Cordillera, a chain of mountain ranges (cordillera) that consists of an almost continuous sequence of ranges. These mountain ranges form the western 'backbone' of North America, Central America, South America and West Antarctica.