You can explore Hawaii on land, air or sea and make the most of all the state has to use.For walkers, there are amazing nature trails on every Hawaiian island, including expeditions for beginners and professionals. On Maui, Haleakala is prized as one of the state's best hiking areas. A favored walk on Oahu is the 45-minute climb to the top of Diamond Head, where site visitors are awarded with sweeping views of Waikiki, Honolulu as well as the Pacific Ocean. On the Big Island, head to Hawaii…See More