Moonbows over Kentucky.

The first KFC is on the National Register of Historic Places.

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

Charleston's historic city jail once held everyone from pirates to Civil War POWs.

Once the most flame resistant building in the country, the South Carolina Historical Society building was almost burnt down in a fire.

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

Despite being burnt down multiple times, the ruins of this South Carolina church are still standing.

The world's largest fire hydrant is supposedly tornado-proof.

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

Eat like pre-Columbian Native Americans in this New Mexico restaurant within the Indian Pueblo Cultural Center.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

This is one really big nut.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Steep canyon walls hide a forested oasis in the West Texas desert.

The highest point in Texas is capped by a big silver pyramid.

A Prada store in the West Texas desert that is never open for business.

With print dying, this local paper keeps the lights on by doubling as a stunning cafe and cocktail bar.

This quirky outpost and gallery inside a former church is an unexpected trove of handcrafted art.

A little stop along the Texas highway where Rock Hudson, Elizabeth Taylor, and James Dean stayed while shooting the 1955 film "Giant."

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

Although resembling a grand Buddhist temple, this structure is actually the largest mosque in China.

These picturesque structures speckle the hill above the monastery.

The medieval center of the Islamic world was also once the seat of Saladin's sultanate.

Standing atop 2nd-century Roman ruins, this church is one of the oldest and most iconic in Old Cairo.