A look at the iconic photo of Charles and Diana's Royal Wedding balcony kiss. Some say their body language indicated the marriage troubles that lay ahead.
The most memorable image from the war in Iraq was taken not by a photographer, but by US Army staff sergeant Ivan Frederick, one of several soldiers to torture Iraqi prisoners at Abu Ghraib.
Greg English's photo of Nelson Mandela, free for the first time in over a quarter of a century, gave millions of people, not just South Africans, hope for the future.
The photograph of 2-year-old Aylan Kurdi lying face down on a Turkish beach caused international outrage and woke the world to the urgency of the Syrian refugee crisis.
The London 7/7 bombings image of commuter Davinia Turrell clutching a white burns mask to her face outside Edgware Road tube station brought home the very real threat of terrorism in the UK.
A chilling 'trophy' photograph taken by Ian Brady shows Myra Hindley looking down on the shallow grave of John Kilbride, one of five children murdered in crimes that shocked the nation.
Jeff Widener's photograph of a lone man stood in front of a column of tanks in Tiananmen Square became a powerful symbol of both the bloody events of June 4, 1989, and of non-violent resistance.