Indoor playground houses air-filled obstacle courses, video games, mini golf, and basketball play sessions with free entry for parents

A 148-foot-long, traditional four-masted schooner sails throughout Lake Michigan for about 60–90 minutes

3-mile race filled with running, water slide, net climb, and mud pit obstacles, pays tribute to September 11 victims and their families

Virtual simulators and replica guns let players team up or play against each other in desert or urban environments

During a two-hour lesson, accredited instructors teach hands-on sailing techniques in waters frequented by manatees and ospreys

Guides lead snorkelers past underwater fauna or steer paddleboards and kayaks near pods of dolphins before joining them for a swim

Children rove through indoor playrooms divided by age group and designed to never get crowded

Faith-based theater troupe performs the classic Rodgers and Hammerstein musical

The park comprises three natural mineral pools, bocce-ball and volleyball courts, and three shaded picnic-grill areas for up to 25 guests

Tours run 8 a.m.–4 p.m., traveling to the Gulf of the Farallones National Marine Sanctuary, home to blue, gray, and humpback whales