For Hawaii vacation ideas on Oahu, here’s a one day itinerary near Honolulu and Waikiki for a good day trip and includes outdoor travel and culture travel, covering Hawaii hikes, culture, and history! A visit to a historic memorial, then off to a state park to visit a temple and go on a hiking trail in Hawaii. Finally, end your day with a picnic at the park! There is camping available here too. The Hawaii state park gives you free things to do near the Honolulu airport and cruise port.