Alongside this Memphis trail are several sculptures that show trail-goers how to relax.

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

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.

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

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

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

Elvis's own personal tropical hideaway.

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

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.

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

Enormous lake at the bottom of a unique cave system.

This sculpture gallery is home to magnificent beasts made of scrap metal and found objects.

Every president in history is immortalized in bronze in downtown Rapid City.

A striking sculpture built to honor the women of the Lakota and Dakota Nations.

The highest point in South Dakota contains the ashes of Valentine McGillycuudy, the "Holy White Man."

The deserted railroad town had a last gasp as a ghost town attraction before being abandoned for good.

A fitting attraction for the corn capital of the world.

One of America’s oldest and spookiest hotels, thanks to the residency of ghosts, dead presidents, and Alfred Hitchcock.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

This titanic steel chain linking two buildings was installed without permission but instantly beloved.

This psychedelic tromp l'oeil seems to be beckoning drivers to crash into a wall.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.