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
Sioux Falls, South Dakota beginning in 1915 and completed in 1919. Sioux Falls is also the seat of the Episcopal Diocese of South Dakota. Sioux Falls is home to the University of Sioux Falls, Augustana University, Sioux Falls Seminary, Southeast Technical Institute, National American University, the South Dakota School for the Deaf, the University of South Dakota's Sanford School of Medicine (Sioux Falls campus), Stewart School and the South Dakota Public Universities and Research Center (formerly known as USDSU). The Sioux Falls School District serves over 24,000 students living in Sioux Falls and some of its surrounding suburbs. Suburbs around Sioux Falls continue to