This float factory takes the mask off of Mardi Gras and lets visitors see where the magic happens.

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

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

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

A Cajun-style Christmas on the river also involves sky-high pyres and explosives.

Located in a remote part of a Louisiana wildlife refuge, this tree has been standing for more than 1,200 years.

If there's another drive-through golf-cart bar in a bat-filled cave on top of a mountain, we don't know about it.

William Faulkner kept his beloved estate wild and untamed.

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

Once the smallest park in the national system.

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.

Songwriter Leon Russell transformed this church into a recording studio used by many legendary musicians.

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

A museum packed with instruments, lyrics, and other mementos of the American folk icon.

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

An acoustic anomaly with a mysterious cause.

A former chicken restaurant that doubled as a speakeasy is now a quirky home full of wonderfully strange traditions.

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

The fifth tallest statue in the United States is a shirtless monument to the oil worker.

Site of the 1926 murder trial of Ernest Burkhart who was involved in the "Reign of Terror."

This 1930s-era Route 66 Tulsa landmark was moved, restored, and filled with neon.

Twenty-year effort to raise a castle using tools and techniques from the 13th century is now abandoned in the Arkansas woods.

This monument to the victims of a tragic explosion is said to turn and look at passing cars.