The surf is always up in Waco, Texas, thanks to an artificial wave so good it's attracting top professionals and casual riders. It's a sign of just how far the technology of wave making has come.
Carissa Moore is the first woman to ever win a gold medal in surfing, which is making its Olympic debut in Tokyo. "The ocean has changed my life and I can't imagine my life without it," Moore said.
Surfers once deemed man-made waves weak and mushy compared to the best that break along the coast. Then engineers and an 11-time world champion surfer showed just how good an artificial wave can be.
Neil Hammerschlag has looked inside the mouth of a wild tiger shark and lived to tell the tale. He says that sharks pose only a very small risk to people: "Humans are not on the shark's menu."
Lunada Bay is a premier surf spot in Southern California. But a lawsuit alleges the mostly affluent, middle-age locals who live and surf there use violence and intimidation to keep outsiders away.