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
Niagara Falls, from the American Side Niagara Falls, from the American Side Niagara Falls, from the American Side is a painting by the American artist Frederic Edwin Church (1826–1900). Completed in 1867, it is based on preliminary sketches made by the artist at Niagara Falls and on a sepia photograph. It is Church's largest painting. The painting is now in the collection of the Scottish National Gallery. Church was a leading member of the Hudson River School of painters. The painting depicts the view from the east side of Niagara Falls – the American side. In the spray of the waterfall a rainbow is visible. The