This cave holds a surprisingly colorful variety of geological oddities.

A bypass decorated with large wooden troll carvings.

A stone marker memorializes the spot where the King broke up a street fight with a classic karate stance.

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

This hotel was used during the Manhattan Project to house official visitors.

This bright yellow relic is the final survivor of a short burst of seashell-shaped petrol pumps.

This roadside attraction has been serving out its fair share of hearty folklore and chaos since 1858.