Group 01 - Egypt
Group 02 - West Africa
Group 03 - Greece
Group 04 - Ancient India
Group 05 - Ancient China
Group 06 - Inca
Group 07 - Islam
Group 08 - Italian Renaissance
Group 09 - Mesoamerica
Group 10 - Medieval Europe
Group 11 - Persia
Group 12 - Fertile Crescent
Group 13 - Ancient India
Group 14 - Ancient China
Group 15 - Inca
Group 16 - Islam
Group 17 - Italian Renaissance
Group 18 - Mesoamerica
Group 19 - Medieval Europe
Group 20 - Persia
Group 21 - Fertile Crescent
Group 22 - Mesopotamia
Group 23 - Vikings
Greene & Louisa Group Sites
Group 24 - Egypt
Group 25 - Inca
Group 26 - Islam
Group 27 - Medieval Europe
Group 28 - Mesopotamia
Group 29 - Vikings