Hiding behind a grocery store is a spectacular cavern carved as part of an old limestone quarry.

When Motown musicians came to Nashville in the 1960s they stayed at this historic record-pressing company because hotels wouldn't host them.

This large cave is a summer home to thousands of bats and has a rich history dating back to prehistoric times.

This former maximum-security prison is creepy, sobering, and supposedly haunted.

The small cave that housed Tennessee's "first citizen."

A delightful park featuring homemade scale replicas of dinosaurs, tucked away in the Tennessee mountains.

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

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

Railroad came. People came. Railroad left. Town died.

This replica of the Greek structure is in the heart of Nashville.

More than five miles of underground passageways.

Home of an evil witch famous within southern folklore.

The secret city built by the Manhattan Project.

Alongside this Memphis trail are several sculptures that show trail-goers how to relax.

The "Jade Museum" is full of thousands of intricately carved works of art made from various precious stones.

Mass graves and Victorian monuments mark the history of Memphis in this 19th century cemetery.

Home to drunken tower-climbing goats... seriously.

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

Walk the whole Mississippi River!

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

This head-spinningly bizarre Depression-era art cave is wall-to-wall quartz and Jesus.

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

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

Ethereal alien hums and haunting whale songs emitting from...a giant sheet of vibrating metal?