Whale Watching is one of the most exciting thing you can do in Hawaii. Seeing the world’s biggest mammals putting on a little show is an amazing experience. You can spot Blue whales, Bryde´s whales, Sperm whales, Fin whales, sometimes even the Killer whales. They say you can also hear whale's sing from the shore.Make it Happen: The best time to see the whales in Hawaii are between November and April. You could also go see whales in Sri Lanka during the same time.