Africa 193 Asia 105 America 81 Austria 51 Alaska 47 Afghanistan 46 Australia 46 Arab countries 42 Amérique du Nord 41 Africa, North 34 Alabama 34 Allemagne 30 Arizona 30 Angleterre 27 Arctic regions 24 Africa, Sub-Saharan 22 Argentina 20 Athens (Greece) 20 Africa, West 19 Asia, Central 17 Alton (Ill.) 16 Amérique latine 15 Arkansas 15 Asia, Southeastern 15 Amazon River Region 14 Athens 14 Africa, Southern 13 Afrique 13 Algeria 13 Amsterdam 13 Amérique 12 Appalachian Region, Southern 12 Africa, East 11 Antarctica 11 Afrika 10 Atlantic Ocean 10 Alton 9 Amsterdam (Netherlands) 8 Afrique du Sud 7 Appalachian Region 7 Andes Region 6 Antigua 6 Atlanta 6 Atlanta (Ga.) 6 Afghānistān 5 Asie 5 Africa South of the Sahara 4 Africa, Central 4 Alamo (San Antonio, Tex.) 4 Alexandria (Egypt) 4 Americas 4 Amérique centrale 4 Andes 4 Angola 4 Atlantic Coast 4 Alexandria 3 American Bottom (Ill.) 3 América 3 Appalachian Trail 3 Arctic Regions 3 Arctique 3 Armenia 3 Asie centrale 3 Assisi 3 Atlantic Coast (U.S.) 3 Atlantic States 3 Autriche 3 Aegean Sea Region 2 Africa del Sur 2 Africa, Eastern 2 Afrique noire 2 Afrique occidentale 2 Albania 2 Albany 2 Alcatraz Island (Calif.) 2 Alemania 2 Alps 2 Amazon River Valley 2 American Bottom 2 América Central 2 América Latina 2 América del Norte 2 Amherst 2 Annapolis (Md.) 2 Arabian Peninsula 2 Arabie Saoudite 2 Arabische Staaten 2 Arctic National Wildlife Refuge 2 Arlington 2 Asie du Sud-Est 2 Athènes 2 Athènes (Grèce) 2 Attica 2 Australie 2 Ägypten 2 Aberdeen Proving Ground (Maryland) 1 Abruzzo (Italy) 1 Abū Ẓaby (United Arab Emirates) 1 Accra (Ghana) 1 Adams County 1