Guyana the dryer savannah areas in the south-west; and the smallest interior lowlands (interior savannah) consisting mostly of mountains that gradually rise to the Brazilian border. Some of Guyana's highest mountains are Mount Ayanganna (), Monte Caburaí () and Mount Roraima ( – the highest mountain in Guyana) on the Brazil-Guyana-Venezuela tripoint border, part of the Pakaraima range. Mount Roraima and Guyana's table-top mountains (tepuis) are said to have been the inspiration for Sir Arthur Conan Doyle's 1912 novel "The Lost World". There are also many volcanic escarpments and waterfalls, including Kaieteur Falls which is believed to be the largest water
Turner Falls Turner Falls Turner Falls, an American waterfall, at , is locally considered Oklahoma's tallest waterfall, although its height matches one in Natural Falls State Park. The falls are located on Honey Creek in the Arbuckle Mountains in south central Oklahoma, south of Davis. Mazeppa Thomas Turner, a Scottish immigrant farmer who married Laura Johnson, a Chickasaw woman, settled in the area in 1878 and discovered the falls.The falls were named for him. Recreational use began in or before 1868. Today, the falls are part of Turner Falls Park, a city park operated by the city of Davis, Oklahoma. The Falls