Did you know that there are actually two abandoned theme parks at Walt Disney World in Floriday? One of the, Discovery Island, is an 11.5 acres (4.7 ha) island in Bay Lake at Walt Disney World in Bay Lake, Florida. Between 1974 and 1999, the island was open to guests. Disney originally named it Treasure Island, and later, Discovery Island. Here, guests could observe the island's many species of animals and birds. Continue reading for more fun and geeky things you may not have known about Disney parks.