Creating a backyard kids' obstacle course can provide infinite hours of fun and fitness for children who love a good challenge and have boundless energy. Whether they’re aspiring Ninja Warriors or ...

PASADENA, Calif. (KABC) -- Some of the brightest young minds at the California Institute of Technology took part Thursday in one of the most stressful classroom assignments they've ever had.

BUT IT’S NOT EASY, AS I FOUND OUT THIS PAST WEEK. ♪ CHALLENGING. ♪ MENTALLY TOUGH. ♪ MOST DEFINITELY FUN. ♪ >> OUR GOAL HERE IS TO PROMOTE FITNESS. AUDREY: STEVE NELSON AND HIS WIFE SONIA HAVE TURNED ...