DescriptionPresident Obama and First Lady Michelle reacting to a child in a pope costume and mini popemobile as they welcomed children during a Halloween event on the South Lawn of the White House.
LicensePete Souza, Public domain, via Wikimedia Commons
DescriptionDemonstrators carrying a man dressed as Superman above the crowd during a May Day march in Mexico City, calling for better wages, workers’ rights and improved working conditions.
DescriptionA child dressed as Dopey from Disney's Snow White and the Seven Dwarfs participating in the Children's Halloween parade in Lowell, Massachusetts.
LicenseDouglas DeNatale, No copyright restrictions, via Library of Congress
DescriptionMembers of the Independent Order of Foresters, a Canadian fraternal benefit society, dressed in various costumes during a Halloween party at the Old Timers' Cabin in Edmonton, Alberta.
LicenseProvincial Archives of Alberta, No restrictions, via Wikimedia Commons