If your travel plans to Karlsruhe are flexible, we recommend visiting at least one of the following most popular landmarks: Waikiki Beach, Denarau Island, or Disneyland Park. Honolulu is the city you should stay in if you want to visit Waikiki Beach. Staying in Nadi is preferred if you want to visit Denarau Island. To visit Disneyland Park, it’s most convenient if you stay in Anaheim.