This constitutionally sound Muffler Man harkens back to the days these attractions were a must-see.

This water tower slanted at an uncomfortable angle off the old Route 66 was an ingenious marketing ploy.

Once in disrepair, this popular Texas stop along iconic Route 66 has been restored to its past glory.

An old spiral fire escape dangles above a public courtyard in Midtown Oklahoma City.

This unusually circular centenarian barn became a Route 66 icon.

The future of roadside attractions is this sci-fi soda mecca that is home to a 66-foot tall neon pop bottle.

Along the historic Mother Road is an old gas station with a secret counterfeiting past.

This abandoned, windowless concrete block is one of the strangest buildings in Tulsa.

One of the best examples of Art Deco architecture in the United States.

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

A half-size replica of the World Trade Center towers above Tulsa.

This statue is an ode to an iconic roadside advertisement popularized during the 1970s.

This former small town was destroyed not by the motor oil it sprayed the ground with but by the toxic waste that was added.

One of few surviving standpipe water towers in the U.S.

One of the world's earliest skyscrapers.

A creepy sculpture of a decapitated head invites viewers to see St. Louis through its empty eyes.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

The Midwestern United States' tribute to Michelangelo is a foam statue sprayed with gaudy gold paint.

The massive, original Colgate Clock is mounted on a defunct factory building that was once a prison.

This 19th century mansion façade adorned with immigrant patriotism is a symbol of Louisville’s history.

Unique tower has outlasted a takeover of the company.

A pharmacy built in the shape of a mortar and pestle, now resembles a fancy cocktail.

Thousands of tiny squares in different colors make up this piece of street art.

Maryland's first (and last standing) toll house on America's first federal road established the state as the "Gateway to the West."