The Cincinnati Zoo: Check in around 3 p.m., because that's the time the Zoo holds a daily Home Safari on its Facebook Live Feed.
Atlanta Zoo: The Georgia zoo keeps a "Panda Cam" livestream on its website.
Georgia Aquarium: Sea-dwellers like African penguins and Beluga Whales are the stars of this aquarium's live cam.
Houston Zoo: There are plenty of different animals you can check in on with this zoo's live cam, but we highly recommend watching the playful elephants.
The Shedd Aquarium: This Chicago aquarium shares some pretty adorable behind-the-scenes footage of their residents on Facebook.
San Diego Zoo: With what may be the most live cam options, this zoo lets you switch between koalas, polar bears, and tigers in one sitting.