A monument celebrating the idea of reaching inaccessible places.

A tribute to Ponce de Leon's supposed quest for eternal youth.

Arrr! The most authentic collection of pirate artifacts in the world... matey.

It's a pretty creepy lock-up.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

The first home of the doomed aviatrix Amelia Earhart.

The history of the treatment of mental illness, illustrated in all its gory detail, and housed in an asylum.

The fastest mail service in the west is tracked and memorialized along this 1,400 mile trail.

The house where the famed outlaw was shot by a dirty coward is now a museum to the criminal's legacy.

Soldiers were buried next to Lee's house in the center of Arlington Cemetery to dissuade the general from reclaiming his property after the war.

Some North Carolina Cherokee have been keeping their history alive for decades with a single play.

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

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

A bizarre roadside attraction and the first instance of miniature golf in the world.

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

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

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

Elvis's own personal tropical hideaway.

Walk the whole Mississippi River!

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

Kentucky's anomalous peninsula projecting into the Mississippi River, site of legendary earthquakes and local feuds.

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

A restored, one-room African-American schoolhouse in the diva's hometown now preserves the legacy of its most famous student.

Over a dozen Native American earth mounds dating back over 2,000 years dot this Tennessee archaeological park.