An engraved boulder marks the spot where Patsy Cline's life ended in a plane crash.

Elvis's own personal tropical hideaway.

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

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.

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

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

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

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

A recreation of the doomed ocean liner in the middle of the Smoky Mountains.

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

Walk the whole Mississippi River!

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

The secret city built by the Manhattan Project.

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

Mile-long cave system near Great Smoky Mountains.

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

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

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

Railroad came. People came. Railroad left. Town died.

More than five miles of underground passageways.

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

Home of an evil witch famous within southern folklore.