Hillary Rodham Clinton and Bill Clinton in the early years of their courtship at Wellesley College, 1979.
A turkey getting a bit too excited for his pardon by Ronald Reagan, 1987.
President George H.W. Bush on the White House lawn along his dog Millie's new pups, 1989.
A young Barack Obama photographed on campus after he was named head of the Harvard Law Review in 1990.
President-elect Bill Clinton breaking into laughter in 1992 as former president Ronald Reagan presents him with a jar of jelly beans that, Reagan said, kept him from going to cigarettes.
Socks, the first pet of Bill and Hillary Clinton, exploring the press podium in the White House press briefing room, 1993.
George W. Bush, along with his wife Laura and father George H.W. Bush, at the moment he learned of his 2000 election victory.
President George H.W. Bush parachuting in celebration of his 80th birthday, outside Houston, Texas, June 13, 2004.
And first lady Michelle Obama making sure her husband is presentable to the prime minister of Singapore, Aug. 2, 2016.