Kauai, the oldest of the main Hawaiian Islands, is steeped in a history that is as lush and diverse as its verdant landscapes. Known as the “Garden Isle,” Kauai’s past is a rich tapestry of natural evolution, ancient Polynesian navigation, and cultural transformation, making it a unique gem in the Pacific. The geological history of Kauai dates back about five million years, making it the oldest among its sister islands. Its age has allowed for the development of its iconic, deeply eroded landscapes and lush rainforests.…