Don't miss Butterfly Pavilion's next $5 Admission Day on Saturday, February 16th! Gather your friends and family for a day of exploration and fun -- all admissions are just $5! Just 15 minutes from downtown Denver! FREE PARKING! 6252 W. 104th Avenue, Westminster. Open daily (ex. Thanksgiving and Christmas) 9:00 AM to 5:00 PM. Last admission at 4:15 PM.