Sloth Behind-the-Scenes Tour at Franklin Park Zoo Join us behind the scenes at Franklin Park Zoo to meet our Sloth, Mo! This up-close and personal encounter will allow you to learn more about these amazing, charismatic creatures. Mo will join you for an encounter, where we can offer them some of their favorite treats! You can now add a painting done by Mo that you can take home with you! (additional cost) 30- minute tour for $200 for up to 4 participants.