One of the best family-friendly events is back at the St. Louis Zoo, and tickets are expected to sell fast, so be sure to grab yours soon. Boo at the Zoo Brings Spooky Family Fun Back to St. LouisBoo at the Zoo is a not-so-scary, family-friendly celebration where you can enjoy fall food favorites, plenty of photo opportunities, and even see a few animals along the way. This year’s event runs from October 16 through October 30 at the St. Louis Zoo. Read More: Illinois' Creepiest Haunted Site Isn't Where You'd ExpectRead More: Adorable Baby Elephant Goes Public at Missouri ZooWhat’s Included with Tickets? Photos of Baby Elephant Jet at the St. Louis Zoo The St. Louis Zoo has updated visitors on their new edition Jet the Baby Elephant.