Classic Lake Titicaca Tour 2 Days: Is the largest lake of the Andes in South America and home to the Tiwanaku and Inca civilization, because from somewhere on this lake the first Inca left and headed to Cusco. After hundreds of years you will be amazed by the culture, the customs that even local people continue to practice, as well as the beautiful landscapes that surround the highest navigable lake in the world.