1. Faking street hazards for safety manuals, 1931.

  2. Old photos of Americans in World War I.

  3. Lee Radziwill and Jackie Kennedy on the Almafi Coast, 1962.

    Lee Radziwill and Jackie Kennedy on the Almafi Coast, 1962.

  4. A couple at the Le Monocle lesbian nightclub, Paris, 1932.

  5. One of the earliest examples of photobombing, ca. 1840s.

    One of the earliest examples of photobombing, ca. 1840s.

  6. Pets during World War II.

  7. Amazing black and white photos of daily life at Muscle Beach, California in 1954.

  8. Western Union staff member photo, ca. 1910s.

    Western Union staff member photo, ca. 1910s.

  9. Photos of Berlin at the end of the war in 1945.

  10. A US Air Force Lieutenant is held captive by a young North Vietnamese girl soldier, 1967.

    A US Air Force Lieutenant is held captive by a young North Vietnamese girl soldier, 1967.