"Probably the most exciting and interesting nights we've had when you get a female giraffe calf and two tiger cubs, one of them white, all in one night," said one staff member.

The event is free for zoo members or with paid admission. Children ages three to 11 who bring their stuffed animals will get in for free with a paying adult.

But surely you shouldn't book a plane ticket to Omaha, Nebraska for a zoo and aquarium ... Below the Desert Dome is the Kingdoms of the Night, which is the world's largest nocturnal exhibit.

You'll find Omaha's Henry Doorly Zoo south of downtown, near the Nebraska-Iowa border. It's open daily, from 9 a.m. to 5 p.m., with shortened hours during the winter. Admission prices range from $ ...

Sadie and Ripley were previously at Omaha’s Henry Doorly Zoo in Nebraska. Zoo officials say they will gradually introduce Sadie and Ripley to Rozindi before making their public debut this month.