Check out these webpages to help you with your topic!
http://www.bbc.co.uk/schools/primaryhistory/famouspeople/christopher_columbus/
http://www.bbc.co.uk/history/historic_figures/drake_francis.shtml
http://www.ducksters.com/biography/explorers/
http://www.bbc.co.uk/cbeebies/games/ninas-earth-explorers-game
http://exploration.marinersmuseum.org/wp-content/themes/agesofex/games/explorer/
