Janel Hawkins spends hours building intricate structures — and destroys them not long after. Such is the life of a professional sand castle builder. As the owner of Sand Castle University ...

Building sand castles, most people will tell you, is a summer pastime for children at the beach. But not for Paul Hoggard, Remy Geerts, Craig Mutch and Calixto Molina, who have turned sand castles ...