Leif Eriksson Christopher Columbus John Cabot Ferdinand Magellan Sir Francis Drake Hernan Cortes Francisco Pizarro Jacques Cartier Samuel de Champlain Henry Hudson Daniel Boone Meriwether Lewis and William Clark (Lewis and Clark) Prince Henry the Navigator Mungo Park Sir Richard Burton Henry M. Stanley and Dr. David Livingstone Mary Kingsley Marco Polo Abu Abdullah Muhammad Ibn Battuta Zheng He Vasco da Gama Vitus Bering Alexandra David-Neel Abel Janszoon Tasman James Cook Jean-Francois de Galaup, Comte de la Perouse Matthew Flinders Sir William Edward Parry Fridtjof Nansen Robert Edwin Peary Sir James Clark Ross Roald Amundsen Sir Ernest Shackleton Sir Vivian Fuchs Yuri Gagarin Neil Armstrong Sally Ride Auguste Piccard Jacques Cousteau Robert Ballard
