It specializes in outsider art and artifacts of secret societies.

Twenty churches beautifully painted by 19th-century Czech and German immigrants in Texas.

A health museum containing a 27’’½-foot intestine.

At the "Garage Mahal" in Houston, car culture is about more than just driving.

Tracks near this Texas nature site were once thought to support the Creationist belief that man and dino coexisted.

This small town Texas cemetery is said to be the burial site of a UFO pilot who crashed in the 1800s.

Visitors can walk over the largest concentration of Columbian mammoths to have died from one event.

A 24-hour vending machine restocked daily with homemade full-sized pecan pies.

A popular swimming hole that hides one of America's most deadly diving spots.

An emerald-green grotto just a short trip from Austin.

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

Elvis's own personal tropical hideaway.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

Walk the whole Mississippi River!

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

A floating museum that was sunk by a flood and left to rot in the tides.

A late sculptor's last project was to turn this abandoned cement factory into a castle-themed amusement park.

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

The Magic House provides a beautiful and creative environment for curious youngsters to get their knowledge on.

The red brick house where the father of rock 'n' roll wrote some of his classic hits.

In a largely deserted ghost town, a little brick building recalls its history as a gold rush hub and haven for outlaws.

Buried beneath the New Mexico sands are believed to be millions of copies of Atari's E.T. video game.

This centuries-old pueblo church houses the body of a Franciscan friar who is said to be a rare "incorruptible" corpse.

The fictional star of "Breaking Bad" is memorialized with a real-life gravestone in his hometown.