Penguins, sloths, otters, seahorses, jellyfish, and sealions?! All in one place? With a rotating theater? Count us in. If that doesn't tickle your fancy, at least go so you can use the nation's best bathroom (no, really, they have a banner and everything) and wash your hands in front of some sharks.
An old school ice cream parlor (with a full meal menu) in the heart of Old Town Scottsdale. Grab a tuna melt and a banana split while you peruse some Family Circus art (provided by the cartoonist and Paradise Valley local Bil Keane himself) and play some arcade games in the back.