The National Oceanic and Atmospheric Administration invites the public to get that sinking feeling at Shipwrecks!, a free exhibition about the fascinating world of shipwreck exploration and discovery. This special offering at NOAA’s Silver Spring, Md. headquarters will feature shipwreck artifacts, robot subs, talks by undersea explorers and hands-on activities for children of all ages. Visitors will also be captivated by exhibits about life aboard ship, navigation, safety at sea and more. The exhibit runs Saturday, Feb. 2 through Sunday, Feb. 10, 11 a.m.-4 p.m. daily at the NOAA Silver Spring campus, 1301 East-West Highway, Silver Spring, Md. Admission is free. Call 301-713-3066 or visit www.preserveamerica.noaa.gov.