Explore the top 10 must-do activities on Hawaii's Big Island with our ultimate guide. From visiting the breathtaking Volcanoes National Park and snorkeling with Manta Rays to stargazing at Mauna Kea and exploring lush waterfalls, this list covers the best adventures and attractions. Whether you're seeking thrilling outdoor experiences, cultural insights, or relaxing beach days, these activities will make your trip unforgettable. Perfect for first-time visitors and seasoned travelers looking to make the most of their Hawaiian vacation. See the 10 bucket list activities on my blog!