Honolulu, on Oahu, is one of the premier destinations for vacationers in Hawaii's six islands. Known for a wealth of resort accommodations, Honolulu offers a variety of activities to keep visitors occupied, from scuba diving to deep sea fishing to swimming with dolphins. Waikiki Beach has a reputation as one of the best beaches in the world and features lifeguards for families and individuals frequenting the sandy shores. Aside from golf and beach related attractions, Honolulu also features the Waikiki Aquarium, the Honolulu Zoo and the many areas of the Honolulu Botanical Gardens, ensuring a full itinerary for guests. Visitors looking for unspoiled Hawaiian flora and fauna can find it just south of Honolulu at the Hanauma Bay Nature Preserve, a park dedicated to preserving the local marine life. Pearl Harbor is also located in Honolulu and features the USS Arizona Memorial, a commemoration of the lives lost during World War II.