Every Monday starting Monday June 4 through Monday August 27, 2012 , one paying adult ($7) can bring up to FOUR children into the ABQ BioPark Zoo (formerly the Rio Grande Zoo) or to the Albuquerque Aquarium and Botanic Garden with FREE admission for the kids! That’s a savings of $12.

http://www.cabq.gov/biopark/about-the-biopark/faq#kidsdisc