Celebrate the 42nd season of this interactive outdoor museum that honors the lives and times of rural 19th-century pioneers and immigrants. Guests can check out the newest additions to the flock, watch the sheep shearing, prepare gardens for the growing season and see what’s cooking in the kitchen. Girl Scouts in uniform are admitted free May 5-6. Old World Wisconsin, Eagle; 262-594-6301 or oldworldwisconsin.wisconsinhistory.org.