500-piece Jigsaw Puzzle Legends Of The National Parks: Everglade’s Swamp Ape, Vintage Poster from the Anderson Design Group Collection by MyPuzzle. Enter the enigmatic world of Everglades National Park with this vintage poster, featuring the cryptic Swamp Ape. Shrouded in the mists of Floridian folklore, this creature is said to wander the swamplands, leaving only whispered tales and fleeting glimpses in its wake.