Several Lonely Planet hosts introduce different locations. 10/ Guyana - Kaieteur National Park and waterfall. 9/ Argentina - Lanin National Park and volcano. 8/ Venezuela - Los Llanos Wetlands, looking for Annaconda. 7/ Chile - Futaleufu. White water rafting. 6/ Paraguay - Mbaracayu Forest Nature Reserve. Hunting with Ache tribe. 5/ Bolivia - Uyuni. World's largest salt flats. 4/ Brazil - Trekking the Amazon rainforest. 3/ Bolivia - Yungas. Cycling the world's most dangerous road. 2/ Colombia - Sierra Nevada. Trekking to the lost city of the Tairona. 1/ Venezuela.