Classical Era
Medieval Era
Renaissance Era
Industrial Era
Modern Era
Atomic Era
Information Era
Future Era
Astrology
Traits
Era
Ancient Era
Science Cost
50 [ICON_SCIENCE] Science
Eureka
Find a natural wonder.
Unlocks
Holy Site
Shrine
ICON_BUILDING_TOTEMS
Totem
ICON_BUILDING_HD_MONASTERY
Monastery
Stonehenge
ICON_DISTRICT_LAVRA
Lavra
Tech Tree
Leads To
Celestial Navigation
Language