Discovery and exploration History 301 Explorers 153 Spanish 144 Description and travel 79 Indians of North America 65 Travel 64 more ... British 63 Discoveries in geography 37 Colonies 36 First contact with Europeans 29 French 28 Voyages and travels 27 Frontier and pioneer life 26 Antiquities 23 Social life and customs 23 History and criticism 22 Natural history 20 Historiography 18 Scientific expeditions 18 Commerce 16 Portuguese 16 Colonization 15 Indians, Treatment of 14 Norse 14 American 13 Indigenous peoples 13 Spaniards 13 Territorial expansion 13 Civilization 12 less ...