Explore Waikiki and Honolulu with a choice of hop-on hop-off tours that feature the historic sites, scenic natural beauty and world-class shops and restaurants in and around the Hawaiian capital. Sightsee at your own pace aboard an open-air trolley or double-decker bus; simply hop off to visit any site. Choose from four lines that focus on different aspects of the area. Upgrade to a 4-day or 7-day pass that includes all of the lines plus admission to the Waikiki Aquarium and the Honolulu Museum of Art.