North America GeographyOnline version A map of North American physical geography with 14 identifiable features. by Teacher Caitlin 1 Rocky Mountains 2 Appalachian Mountains 3 Rio Grande 4 Colorado River 5 Hudson Bay 6 Mexican Plateau 7 Great Basin 8 Missouri River 9 Gulf of Mexico 10 Baja Peninsula 11 Yucatan Peninsula 12 Caribbean Sea 13 Denali 14 Mississippi River