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

The juke joint where legendary soul artists ate, drank, and made merry.

This simple, broken column marks the final resting place of one of America's most famous explorers.

An unknown Hall of Fame in Jackson, Tennessee.

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

Elvis's own personal tropical hideaway.

An oversized metal construction of Billy Tripp's moods going through life.

The small cave that housed Tennessee's "first citizen."

This award-winning men's bathroom was just too beautiful to not allow women to see.

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

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

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

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

The first full-scale tunnel built in America is short but scenic.

A failed utopian experiment for British expats in the American South is now a Victorian village frozen in time.

Walk the whole Mississippi River!

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

Home to drunken tower-climbing goats... seriously.

The secret city built by the Manhattan Project.

Labor provided by Great Depression-era programs restored these 25,000 acres in Tennessee.

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

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

Visit this playground of waterfalls, caves and sinkholes.

Enormous lake at the bottom of a unique cave system.