The Venezuelan Tepuis are unique flat-topped mountains found in the Gran Sabana region of Venezuela. These geological formations rise dramatically from the surrounding landscape, often featuring steep cliffs and diverse ecosystems. Tepuis are known for their rich biodiversity, including many endemic species of plants and animals that are not found anywhere else in the world. The most famous tepui is Mount Roraima, which is often considered the inspiration for Sir Arthur Conan Doyle's novel "The Lost World." These ancient formations are remnants of the Earth's geological history, dating back over two billion years, making them some of the oldest landforms on the planet.