Logbook for the Jeannette, a ship that became trapped in ice, dated Sept. 5, 1879. Courtesy National Archives and Records Administration hide caption

itoggle caption Courtesy National Archives and Records Administration

A line of fire snakes along a hillside at dusk on July 18 in Winthrop, Wash., where a fire destroyed about 100 homes. Officials say that fire damage, overall, is down this summer, but that firefighting costs are skyrocketing. Elaine Thompson/AP hide caption

itoggle caption Elaine Thompson/AP

State Rep. Joe Carr holds a news conference in Murfreesboro, Tenn. on Jan. 16, 2013. He is challenging incumbent Tennessee Sen. Lamar Alexander in the Republican primary. Erik Schelzig/AP hide caption

itoggle caption Erik Schelzig/AP

Interior Secretary Sally Jewell takes a tour of the Harris Neck National Wildlife Refuge in Townsend, Ga., last week with U.S. Fish and Wildlife Service refuge manager Kimberly Hayes. Stephen B. Morton/AP hide caption

itoggle caption Stephen B. Morton/AP