This massive sycamore tree has been labeled as one of the largest in the state.

The last remnants of Fort Pitt also hold the distinction of being the oldest structure west of the Allegheny Mountains.

The final resting place of the Hollywood star who came to a tragic end.

North America’s largest collection of horological devices and home to a colossal clock with a dizzying array of features.

Current docking place of the SS United States, the fastest transatlantic ocean liner.

Yo, Adrian!

The origin of this mechanical boy was a mystery until he revealed his maker by writing it in perfect cursive.

In which a local geological marvel becomes a quaint roadside attraction.

World's first "penitentiary," meant to be humane, drove men insane.

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

The grave of America's 11th president is not in some grand monument but instead it's hidden away on the grounds of the Tennessee Capital.

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

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

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

This winding road of 318 curves is a must-visit for (careful) motorcycle and sports car enthusiasts.

A young state senator's deathbed plea to be buried inside a rock resulted in this unusual grave site.

Perhaps the oldest vine in North America, this sprawling plant helps make a sweet wine.

Andy Griffith's hometown has made itself up to look like the fictional town of Mayberry.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

A well-preserved relic of the industrial age steel and iron works that dotted West Virginia.

Hikers can still stroll beneath the long conveyer of this abandoned mining facility hidden in a West Virginia river gorge.

The "mysteries" of this quintessential roadside oddity were almost destroyed by neglect but were saved by fans of kitschy wonder.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.