There's so much to capture in Hawaii, each island has it's own characteristics and mood. Oahu is much on the modern side, a metropolitan city and quiet peaceful county on the other side.
If you want a laid back life and more solemn vacation, head down to Kauai island. The oldest amongst the island chain where you can find the wettest mountain on earth Mt. Wai' ale 'ale, the Hanalei taro patch and the famous canyon of the Pacific the Waimea canyon. There's Napali coast and check out the wet and dry caves on the north side of the island.
Maui is the surfing mecca and tourist destination. There's so much to do in Maui like whale watching, surfing, zipper lane and much more.
Big island Hawaii is the youngest and biggest of all the island. It is still growing until now by Kilauea side.