Captain James Cook's exploits changed the world’s geographical understanding by mapping and exploring territories previously unknown to Europeans. His voyages in the 18th century led to the discovery of Australia, New Zealand, and numerous Pacific islands. Cook's detailed charts and logs provided invaluable information on oceanic navigation and coastal geography, significantly improving maritime navigation. His interactions with various cultures also prompted a greater interest in ethnography and understanding indigenous peoples. Cook's legacy includes his contributions to the fields of cartography and exploration, profoundly influencing European perceptions of the Pacific region.