Mount Roraima - The Giant Flat-topped Mountain in Canaima National Park

Mount Roraima is a giant flat-topped mountain, or mesa, in the Pakaraima Mountains of the Guiana Highlands , at the point where the boundaries of Brazil, Venezuela, and Guyana meet. It is a tabletop mountain with sheer 400-metre high cliffs on all sides

Mount Roraima is about 9 miles (14 km) long and 9,094 feet (2,772 metres) high, it is the source of many rivers of Guyana, and of the Amazon and Orinoco.

Iguazu Falls - One of the Largest Falls in the World

Iguazu Falls is located where the Iguazu River tumbles over the edge of the Paraná Plateau, 23 kilometres (14 mi) upriver from the Iguazu's confluence with the Paraná River. Numerous islands along the 2.7-kilometre-long (1.7 mi) edge divide the falls into numerous separate waterfalls and cataracts, varying between 60 to 82 metres (197 to 269 ft) high.