On Feb. 10, noon to 4 p.m., Special Olympics will host its annual Polar Plunge at Nationals Park. Jump into above-ground swimming pools. Enjoy the party in the ballpark including music, refreshments and a special appearance from and photo op with the Nationals racing presidents. To participate, raise at least $100 and receive a 2018 Polar Plunge t-shirt. Raise more than the required $100 to qualify for exciting prizes, including Nationals game tickets, entry to the Nationals batting cage and a behind the scenes tour of Nationals Park. Ages 12 and up can plunge. Those under 18 need parent/guardian permission. Everyone is welcome to attend for free. There is free parking at the park or arrive by the metro, Navy Yard Station. Read more and register at give.specialolympicsdc.org.