A crew of die-hard train buffs spent decades turning a defunct stretch of railway in Oklahoma City into a museum now home to over 50 antique and restored trains.

The largest cattle market on earth holds live auctions open to the public every week.

A historical house furnished with authentic pieces from the Victorian period.

The largest protected conservation area in the Ozarks—a region that stretches into northern Arkansas and southern Missouri.

A quirky mishmash of Route 66 memorabilia and other throwbacks from the past.

A Route 66 filling station that was designed to resemble the Hagia Sophia, and is now the symbol of an arts district.

A likeness of Da Vinci's mysterious painting smiles at passersby from the side of a barn.

A small section of native wilderness on a university campus

What was once a summer home next to a waterfall has now become littered with graffiti and children in swimsuits.

The only remaining sod house Oklahoma built by a homesteader in 1894.

Is this 47.7-mile stretch of highway the longest straight road in the United States?

Located in the world's highest-altitude Dark Sky Community, this observatory welcomes amateur and professional astronomers alike.

This massive oak tree has ties to the first native tribes of the region and the founders of Texas.

This stone windmill marks an old, mysterious homestead in what is now central Austin.

This unassuming North Austin neighborhood was built to test the novel idea of home air conditioning.

Home to an endangered salamander, a full moon celebration, and a large spring-fed outdoor swimming pool.

A free, canine-friendly alternative watering hole near the more famous Barton Springs.

Artist James Turrell's ode to dawn and dusk on the campus of Rice University.

This abandoned building made of petrified wood was once a hotspot for buying moonshine.

This family cemetery is a reminder of a smallpox outbreak in late-19th-century Texas.

This strategically-placed fountain creates the magnificent illusion of mustangs galloping across a river.

In 1977, wealthy socialite Sandra West was buried wearing an elegant white nightdress while reclining comfortably in her powder-blue 1964 Ferrari.

An entire home filled with over 3,000 pieces of Santa memorabilia in glass cases, walls, on Christmas trees, and even in the bathroom.

On the outskirts of San Antonio, a small bridge is said to be the home of a mysterious local legend known as the "Donkey Lady."