Pre-Columbian rafts voyaged as far as Mexico and introduced metallurgy to the civilizations of that country. Some scholars and adventurers of the 20th and 21st century have asserted that the rafts and their crews journeyed thousands of miles across the Pacific to Polynesia, most notably Thor Heyerdahl who reached Polynesia on the Kon-Tiki raft. Several other people and groups have also built rafts based on prehistoric models and undertaken trans-Pacific voyages. Balsa is the Spanish word for raft. The use of rafts for commerce on the coasts of Peru and Ecuador, from northern Chile to southern Colombia, continued until the late 19th
Kon-Tiki expedition Kon-Tiki expedition The "Kon-Tiki" expedition was a 1947 journey by raft across the Pacific Ocean from South America to the Polynesian islands, led by Norwegian explorer and writer Thor Heyerdahl. The raft was named "Kon-Tiki" after the Inca sun god, Viracocha, for whom "Kon-Tiki" was said to be an old name. "" is also the name of Heyerdahl's book; the Academy Award-winning documentary film chronicling his adventures; and the 2012 dramatized feature film nominated for the Academy Award for Best Foreign Language Film. Heyerdahl believed that people from South America could have settled Polynesia in pre-Columbian times. His aim in