A rainy day with a house full of stir-crazy kids? A group of visiting relatives and nowhere to take them? Take advantage of these 10 guest passes to the Bay Area's popular DISCOVERY MUSEUM. Located in beautiful Marin County, BADM is known for its fun, hands-on play spaces, outdoor adventure areas, art workshops and special exhibits. The outdoor water-play spot is a favorite with toddlers and preschoolers - bring a spare change of clothes because things could get a little wet.