Boo After Dark, presented by Your Hometown Toyota Stores, offers more than 25 trick-or-treat stations, creepy crawly animal demonstrations and exciting family-friendly entertainment under the canopy of the beautiful fall foliage of Denver Zoo. For those of you who love Boo at the Zoo but prefer to trick-or-treat in the evening. Complete details about costume restrictions can be found under "additional information."

Admission:

$17 for adults; $12 for children 
2 and under are free
Membership does not cover admission to this after-hours event, all attendees must purchase tickets.