Vintage neon signs illuminate highway history.

A small "palace" and museum made of, and devoted entirely, to salt.

This old abandoned sign flickers to announce a motel that isn't even there.

Larger-than-life cut-out murals of James Dean and Elizabeth Taylor, dedicated to their 1956 film ‘Giant.’

Decades of discarded bottle caps line this alleyway, a fixture of Texas A&M.

Resting place of the Texas A&M canine mascots, who watch the game from the grave with their own miniature scoreboard.

Campus tradition says couples who walk beneath this enormous oak will stay together forever.

A decaying concrete oil tanker served as a disposal location for bootleg hootch.

Witness to many historic moments in early Texas history.

The largest public collection of roses in the United States.

Standing at 21-feet tall, this space cowboy adds to the legacy of Route 66's muffler men.

A large stone map of Arkansas awaits visitors to its highest point.

A commemoration of over 150 of St. Louis's favorite sons and daughters.

The highest point in Iowa, while not that impressive to mountain states, has earned its own monuments.

This monument marks the point where Oklahoma, Kansas, and Missouri intersect.

Romance fans worldwide make the pilgrimage to this group of historic covered bridges in rural Iowa.

The lowest point in the state of Illinois, at the confluence of the Mississippi and Ohio rivers.

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

Visitors to this arboretum are greeted by three smiling giants crafted from sustainable materials.

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

The park is home to the United States's only still-operating Dutch windmill.

The restored ferry is now a dockside museum and a unique bed and breakfast.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

A metal ring in the middle of the road marks the exact spot where the Soviet satellite crash-landed in 1962.