Tupaia: The Man Who Guided Captain Cook Captain James Cook is famous for exploring the Pacific, but he relied on a secret weapon who already knew the way. In this video, I tell the untold story of Tupaia, a high priest and master navigator from Ra'iatea who joined the crew of the HMS Endeavour. While Cook relied on complex instruments to find his location, Tupaia navigated thousands of miles of open ocean using only the stars, ocean swells, and birds – all stored in his memory. He even drew an a