South America the Darién watershed along the Colombia–Panama border, although some may consider the border instead to be the Panama Canal. Geopolitically and geographically all of Panama – including the segment east of the Panama Canal in the isthmus – is typically included in North America alone and among the countries of Central America. Almost all of mainland South America sits on the South American Plate. South America is home to the world's highest uninterrupted waterfall, Angel Falls in Venezuela; the highest single drop waterfall Kaieteur Falls in Guyana; the largest river (by volume), the Amazon River; the longest mountain range, the
Sioux Falls, South Dakota development of the literary arts scene. Deb Klebanoff, born in Sioux Falls, who began the reading series at the Horse Barn with Allison Hedge Coke, after serving on the Sioux Falls Chamber of Commerce's Cultural Affairs committee, including a term as its chair and for almost a decade with the Sioux Empire Arts Council, including 8 years as its executive director, later moved south of Sioux Falls and founded a Writers' Retreat, The Retreat at Pointer's Ridge, a significant additional to the state's literary arts scene. In addition to literary arts awards, there are mayor's awards in visual arts, performing