Ghost stories surrounded this “castle,” the only structure from a huge mansion that was never built.

Landmark dedicated to the plight of the American Indian in the 21st century.

In one of America’s oldest mountain ranges, a long-awaited section of a scenic highway is now open to the public.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

Mile-long cave system near Great Smoky Mountains.

An abandoned town is hidden in Great Smoky Mountains National Park.

This road in the Great Smoky Mountains was supposed to assuage a displaced community, but ended up a $52 million dead end.

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.

All that's left of the quintessential "cabin in the woods."

Small, privately owned island divided between Michigan and Ohio with abandoned vacation homes and a derelict lighthouse.

The inventor of a number of hybrid corn species is immortalized with a field of giant corn.

Where beautiful signs live on forever.