I love history and love seeing historical photos.  You can find images like these from a variuos number of public domain websites, meaning anyone can use them.  These came from the site http://imgur.com/.  Some of these are amazing, some sad, some will just fill you with curiosity.  Check them out.

A young Bea Arthur, long before "Golden Girls". SSgt. USMC 1943-45 WW II. Enlisted and assigned as typist at Marine HQ in Wash DC, then air stations in VA and NC
Black physicians treating in the ER a member of the Klu Klux Klan
Recording the MGM Lion
Charlie Chaplin meets Hellen Keller
This is one of five known X-rays of Hitler's head, part of his medical records compiled by American military intelligence after the German's surrendered and declassified in 1958. The records also include doctor's reports, diagrams of his teeth and nose and electrocardiograms. He had bad teeth, lots of fillings and crowns.
Prison Garb 1924. Belva Annan murderess whose trial records became the musical "Chicago."
Leather gloves worn by Lincoln to Ford's Theater on the night of his assassination. Blood stains are visible at the cuffs.
Market Street, San Francisco after the earthquake, 1906.