Mile-long cave system near Great Smoky Mountains.

The world's longest known cave system.

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

This building contains handprints that are well over a century old.

Follow the steps, and this roadside artwork will teach you how to dance.

Once decrepit and slated for demolition, now one of the longest pedestrian bridges in the world.

This historic train station has been converted to a locomotive themed hotel.

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

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

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.

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

A 315-foot spire jutting out from the Blue Ridge Mountains makes for breathtaking views.

One of the oldest Black communities in western North Carolina and one of the largest Black Mennonite congregations in the country.

Practice your Dirty Dancing lifts in the manmade lake where Johnny Castle himself did.

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

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

A preserved stretch of ancient fossilized trees with an impressive gem collection to boot.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

Room 32 of the Alta Cienega Motel has grown into a shrine to the Lizard King.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

Dramatic river bend surrounds a natural red-rocked pedestal.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

Legendary frontman of the Doors looms in this giant mural by famed Venice muralist, Rip Cronk.