Groupon has Woodland Park Zoo Passes for only $8 for Adult Zoo Admission (Up to $17.50 Value). I have been wanting to take my kids for awhile now…so I am stoked to see this HOT Groupon!!! I bought 8 🙂 New to Groupon? Click Here!   The Fine Print: Expires Apr 30, 2012 Limit 1 per person, may buy 7 additional as gifts.