Big Island Duck Adventures, Kailua-Kona

Big Island Duck Adventures makes it possible to tour Hawaii by land and by sea without even changing your mode of transportation. But this isn't your average military duck vehicle: the company's hydra-terra amphibious tour bus is more comfortable and fun, featuring a v-shaped cockpit that cuts through the water and provides excellent visibility, so you can stay comfy and dry while snapping photos. The two phases of the tour:

By land: Cruise along the Ali’i Drive coastal highway for 7 scenic miles, enjoying breathtaking views of crashing waves, quaint shore-side towns, and preserved cultural sites.

By sea: After gently entering the waters of Honokohau Harbor, passengers will get an up-close view of aquaculture fishponds, take in a new perspective of the Big Island coast, and possibly even spot turtles, dolphins, and other wildlife.