Mount Roraima is the highest tepui, or tabletop mountain, in the Pakaraima chain of these unique South American plateaus. Serving as a natural border between Venezuela, Brazil, and Guyana, Roraima is famous for its stunning sandstone cliffs that rise 400 meters (1,300 feet) above the surrounding landscape. The summit of Mount Roraima boasts otherworldly landscapes with unique flora and fauna, including pitcher plants and rare orchids. Hikers can embark on an adventurous trek to the summit, allowing for exploration of this ancient and mystical landscape.