Thor heyerdahl 1914 2002 gained worldwide fame when he crossed the pacific ocean on the balsawood raft kon tiki in 1947 he followed this up with spectacular expeditions on the reed boats ra and tigris at the kon tiki museum guests can see original vessels and up to date exhibits on heyerdahls expeditions including kon tiki ra tigris easter island fatu hiva tcume galapagos a 30 metre cave tour an underwater exhibit with a 10 metre model of a whale shark thor heyerdahls library t