The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

An art instillation for the sake of "raising vibrations."

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

Enormous lake at the bottom of a unique cave system.

This structure among the trees was the result of divine inspiration.

Visit this playground of waterfalls, caves and sinkholes.

These early tent-shaped grave coverings are unique to Appalachia.

This award-winning men's bathroom was just too beautiful to not allow women to see.

The first full-scale tunnel built in America is short but scenic.

In the hometown of the Grand Ole Opry star is a larger-than-life memorial statue made entirely from chicken wire.

This homegrown adoption center offers a wonderland of feline companionship.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

The juke joint where legendary soul artists ate, drank, and made merry.

The bad-ass ride of a soul legend, housed in one of the world's few soul museums.

The R&B singer's modest church guarantees a religious experience, regardless of your beliefs.

A reclusive Memphis neighborhood is home to decades worth of misunderstood Masonic folk art.

The Old Mill shown in the opening credits of “Gone With the Wind” is actually fairly new, and was never a mill at all.

This Little Rock legend has survived decades of rowdy crowds, three fires, and a zombie wedding.

This historic hotel on Bathhouse Row in Hot Springs National Park has a storied history of gangsters and baseball greats.

A mysterious light floating in the trees of Arkansas may be a piezoelectric effect.

The only diamond mine in the world where you can keep what you find.

A wacky, UFO-shaped house in a suburban neighborhood.

Bronze statue marks the spinach capital of the world.