what is the significance of the cumberland gap
Cumberland Gap Famous in American colonial history for its role as a key passageway through the lower central Appalachians, it was an important part of the Wilderness Road and is now part of the Cumberland Gap National Historical Park.
Sunsphere The Sunsphere, in Knoxville, Tennessee, is a 266 ft (81 m) high hexagonal steel truss structure, topped with a 75 ft (23 m) gold-colored glass sphere that served as the symbol of the 1982 World's Fair.