Happy Hollow Park & Zoo Home Happy Hollow Park & Zoo Your experiences Sign in to track your experiences. Attractions Backyard Habitat Crooked House Danny the Dragon Dino Dig Double-H Ranch Dragon Flyers Frog Hopper Granny Bugs Keep-Around Carousel Kiddie Swings Leaping Lemur Trail Miner's Maze Mini Putt-Putt Pacific Fruit Express Puppet Castle Theater Redwood Lookout Team Kids Mar 27, 1961 Happy Hollow Park & Zoo Park Opened Opened 1961 Danny the Dragon Ride Opened 1976 Crooked House Play Area