Swimming

Osborn Aquatic Center. This is not your ordinary lap pool. There are waterslides, a water channel, water cannons, and floor geysers. The indoor pools are open all year. 1940 N.W. Highland Dr., Corvallis, Oregon, 97330. 541/766–7946; www.corvallisoregon.gov/index.aspx?page=57. $6. Daily, hours vary.