Humble's Interactive Aquarium and Animal Preserve is one of many ways to get up close with wildlife in Houston this spring break, but it's one of the only ways to snorkel with a stingray.

At the Houston Interactive Aquarium and Animal Preserve, the river otters do too. "More than any dog that I've met, and cats especially, otters are so much more fun," Will Whisennand, a zookeeper ...