Oahu is called the "Heart of Hawaii" so it's the appropriate home to Hawaii's widest range of popular activities and famous sights: Waikiki. The North Shore. Pearl Harbor. Bishop Museum. Iolani Palace. Or get off the beaten path and visit local neighborhoods like Kapahulu and Haleiwa or lesser-known attractions like the Valley of the Temples or the Makapuu Lighthouse. Start planning your itinerary for your next visit to Oahu.