[Norm]

Here are my reccommendations for places to visit in Hawaii.

Oahu
#1 The Polynesian Cultural Centre (all of the South Pacific Island cultural villages in one place and one of the best Luau's in Hawaii).
#2 Hanauma Bay - Snorkel and swim with tropical Fish
#3 The USS Arizona Memorial - World War 2 History on the bombing of Pearl Harbour
#4 The Quiet Beaches of the North Shore.
#5 Matsumoto Shave Ice in Haleiwa.
#6 Hike to the rim of the Diamond Head extinct volcano crater overlooking Waikiki.

Maui
#1 Drive the road to Hana and visit the pools of Ohe'o (Stay a day or two and take a cave tour).
#2 Watch the sunrise from the Haleakala Crater (and bike down the mountain if you want).
#3 Explore Iao Valley with a stop at the Bailey House Museum.
#4 Walk through the old town of Lahaina.

Kauai
#1 Drive through Hawaii's Grand Canyon - "Waimea Canyon"
#2 Hike along the breathtaking Na Pali Coast.
#3 Kayak the Wailua River to the Fern Grotto or to find a rope swing into the river.

Hawaii
#1 Waipio Valley Wagon Tour or Trail Ride (stay a night or two in a b&b if possible in this amazing valley).
#2 Visit the Volcanoes National Park and tour the crater and walk through lava tube tunnels (bring a flashlight).
#3 Swim in the river at Kolekole Beach Park 13 miles North of Hilo.
#4 Take a boat trip along the canals of the Hilton Waikoloa Village (or watch the dolphins).

Molokai
#1 Ride a mule down the Kalaupapa cliffs to the old Leper Colony.
#2 Visit an ancient Hawaiian heiau (temple).
#3 Listen to Sunday music from the 7 churches along "Church Row".

Lanai

#1 Rest and Relaxation
#2 Explore the Hulopoe Bay Tide Pools and swim in Hulopoe Bay.
#3 Visit Shipwreck Beach to view the lighthouse ruins and the marooned "Liberty Ship" oil tanker from the 1940's.
#4 View the Luahiwa Petroglyphs, drawings carved in stone by ancient Hawaiians.