Designed by Maya Lin, the memorial honors 41 individuals who died fighting for equal rights between 1954 and 1968.

This knobby, drooping New Orleans oak is a favorite place both for climbing and for meeting giraffes.

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.

The world-record holder for the longest bridge stretching continuously over water.

The second-largest ceremonial mound in the United States is an artificial hill that is loosely shaped like a pentagon.

An eerie and beautiful group of columns mark the site of a grand mansion lost to time and fire.

This iron and wood Civil War city-ship was the first vessel to be sunk by an electrically detonated torpedo.

A museum in Mississippi celebrates the history of Coca-Cola and the man who brought it to the masses.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

The ruins of a once-thriving sugarcane plantation that was burned in the Second Seminole War.

A replica of one of the more than 15,000 civilian lookout towers that lined the U.S. coast during World War II.

The third tallest lighthouse in America once guided author Stephen Crane to safety.

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

While knives are the main feature in this store, visitors will also find dinosaur bones and meteorites.

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

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

Cherokee alphabet, proof of ancient North American Jews, or just a hoax?

Step back in time on this preserved 1800s farm.

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

The world's longest known cave system.

The oldest operating Mississippi River–style steamboat still navigates the Ohio River.

This huge clock made of flowers and simple machinery was once used a political weapon.

This modern castle sat empty for decades before a fire inspired its builders to complete its luxury halls.

Moonbows over Kentucky.