Oct. 22 & 23 and 29 & 30   

9:00AM – 5:00PM

 (included with admission)

What better way to spend time with the little ones this Halloween season than with a fun Trick-or-Treating experience among butterflies and other tiny creatures in a safe, warm, indoor environment? Bug-A-Boo at Butterfly Pavilion has become an annual tradition, especially for families with toddlers who are seeking a new and hassle-free way to enjoy the holiday. The facility is easily walked by kids of all ages and offers parents an ideal opportunity to combine Trick-or-Treating with an educational experience.

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Mini World Class

October 22 from 1-3 PM

Create a world of your very own! Join Butterfly Pavilion and The Terrorium Shop in ‘Mini Worlds, a class where you create a 2.75 x 4” glass dome adorned with a cork base, a Colotis Regina or Heliconius Doris butterfly, and an assortment of botanicals, crystals and more! The Terrorium Shop is Denver’s home for unique art combined with natural history. They are most known for their miniworlds – glass displays featuring real dried flora, insects, bones, crystals, and other elements from the natural world, forever encased in a glass dome. Tickets include free admission to Butterfly Pavilion after the class!

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Members will receive first access to tickets starting on September 26th. Tickets will become available to the general public on October 3rd. 


Flashlight Tours

Oct. 22 & 23

7:00PM- 8:00PM 


Oct. 29 & 30

8:30PM – 9:30PM

Online reservations required. After the little ones have gone to bed, guests can experience Butterfly Pavilion with a one-of-a-kind, after-hours, guided flashlight tour through four indoor exhibit areas featuring diverse invertebrates at every corner. Guests will get an up-close look, even in the dark, at how these animals survive and adapt in a challenging, and sometimes spooky, world. Tour guides will ask participants to play the role of detective and help uncover mysteries surrounding invertebrates throughout this spooky, immersive, and educational tour. Makes for a thrilling, spooky Halloween date night!

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