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
Plantations in the American South Plantations in the American South Plantations are an important aspect of the history of the American South, particularly the antebellum (pre-American Civil War) era. The mild subtropical climate, plentiful rainfall, and fertile soils of the southeastern United States allowed the flourishing of large plantations, where large numbers of workers, usually Africans held captive for slave labor, were required for agricultural production. An individual who owned a plantation was known as a planter. Historians of the antebellum South have generally defined "planter" most precisely as a person owning property (real estate) and 20 or more slaves. The wealthiest planters, such as