All Places in Tennessee

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

Enormous lake at the bottom of a unique cave system.

Home of an evil witch famous within southern folklore.

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."

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

Better known as the "Body Farm," this unique research facility has been studying how human bodies break down since the 1980s.

This replica of the Greek structure is in the heart of Nashville.

Visit this playground of waterfalls, caves and sinkholes.

More than five miles of underground passageways.

The secret city built by the Manhattan Project.

This head-spinningly bizarre Depression-era art cave is wall-to-wall quartz and Jesus.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

Mile-long cave system near Great Smoky Mountains.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.