Leland Melvin with his dogs, Jake and Scout. "I snuck them into NASA to get this picture," Melvin says. Courtesy of Leland Melvin hide caption

itoggle caption Courtesy of Leland Melvin

Boyd Dowler of the Green Bay Packers grabs a Bart Starr touchdown pass in the NFL championship game on Dec. 31, 1967. The "Ice Bowl," played in frigid temperatures, was won by the Packers 21-17. AP hide caption

itoggle caption AP

New Jersey Gov. Chris Christie talks with Dallas Cowboys team owner Jerry Jones, as the team warms up before Sunday's NFL playoff game against the Detroit Lions. Brandon Wade/AP hide caption

itoggle caption Brandon Wade/AP