City
A place where people live and work.
Major Cities of the US
http://www.enchantedlearning.com/usa/cities/
Major Cities in Missouri
http://www.travelmath.com/cities-in/Missouri
http://www.enchantedlearning.com/usa/states/missouri/
Major Cities of the World
http://easyscienceforkids.com/all-about-top-10-largest-cities-in-the-world/
World Capitols
http://www.factmonster.com/ipka/A0855603.html
Links
http://www.harcourtschool.com/activity/cities/index.html