For centuries, lucky explorers have been discovering the many hidden treasures of Amelia Island. Now visitors can roam the island with a high-tech game of Hide-and-Seek called the Amelia Island Geocaching Challenge. This free program uses the growing sport of geocaching to give adventurous visitors a chance to find valuable discounts and prizes, including a chance to win a four-night stay at the luxurious Addison on Amelia.