Trained referees oversee jovial battles on nine fields spread across 40 acres with beginner-friendly games

Guides match riders with horse & equipment before group excursions through Northern California countryside

Indoor softball arena brims with batting cages & space for families to enjoy games of kickball & baseball before feasting on pizza & soda

Headsets pump commentary into ears as Segways follow guides through scenic stretches of Sacramento River Trail, including Sundial Bridge

Safe introductory session in pool or intensive open-water diving certification course in ocean

Competition rider & trainer teaches all levels English horse-riding skills during private lessons inside all-weather facility

Experienced guides pilot fully equipped paddlers of all skills over Class II & Class III rapids on roaring South Fork of American River

USPA-rated instructors accompany skydivers on tandem or assisted free falls that reach speeds of up to 120 mph

Janet Evanovich's bestsellers come to life as street-smart Jersey girl Stephanie Plum manages romance, family & newfound bounty hunter job

As referees look on, players 10 & older run over fields & dodge behind cover, playing speedball on facilities used by SWAT teams to train