Oahu, the heart of Hawaii, is a dream destination filled with stunning landscapes, rich culture, and endless adventure. Whether you’re seeking outdoor thrills, historical insights, or beachside relaxation, this island has it all. Here’s a guide to the best things to do in Oahu, including must-visit spots like the Polynesian Cultural Center, Waikiki Beach, North Shore, Waimea Valley, and Makapu’u Lighthouse.