GRADE 7: USA Tourism Sites:
Click on cities on the map: http://www.usatourist.com/english/destinations/Destinations-Cities.html
National Geographic American Cities:
http://travel.nationalgeographic.com/places/regions/region_usandcanada.html
Another Tourist Site: http://www.tourstounitedstates.com/tours-to-usa-cities/index.html
Discover America
Travel DK - A great guide