The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

Mile-long cave system near Great Smoky Mountains.

The secret city built by the Manhattan Project.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.