See what Saturn and Jupiter look like up close while you learn about different telescopes that astronomers use at this stargazing opportunity for all ages.
Kids can use their observation skills to discover the wonderful biodiversity in their own communities while meeting animals that make their home in Missouri and Illinois.
Enjoy a night of Halloween fun topped off with a view you can't find anywhere else! Wear your family friendly costumes and see spooky sights as you make your way to the top of the Arch. Then families can have fun with face painting, balloon animals, pumpkin decorating and treats for kids.
Trick or treating is free for children up to age 12 and no registration is necessary.