The Smithsonian National Zoo is one of the best zoos in the country. Need evidence? They have pandas. And now in addition to these giant, hard to breed, black and white bears, it also has an official iPhone app. Gives you a digital guide to the zoo, teaches you all about its animal residents, and gives you plenty of neat information. The animal kingdom is fascinating. And if you don't have a good zoo in your city, you can still experience one from your smartphone. See highlights from tours on the...
