Oahu, housing the capital of the State of Hawaii, Honolulu, is a spectacular place to book shore excursions when cruising to Hawaii. In addition to spectacular waterfalls, lush rainforests, breathtaking views, surfing lessons, biking, hiking, and numerous other tropical outdoor activities, Oahu also houses the incredible Pearl Harbor memorial sites. Visit the legendary Punchbowl National Cemetery, the USS Missouri and USS Arizona Memorials, and learn about Oahu's history during World War II, including the Japanese attack on Pearl Harbor.