Joe Minter is only doing the work of God in his yard, he says.

148 feet long and in the middle of a verdant forest.

This two-room shotgun shack in Tupelo is the birthplace of a King.

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

A Memphis park where you can walk the whole Mississippi River in one go.

Town not known for anything except its strange name.

Bronze statue marks the spinach capital of the world.

One believer transformed a local curiosity into proof of Vikings on the Great Plains.

Circus cemetery for all the “showmen under God’s big top.”

Along the historic Mother Road is an old gas station with a secret counterfeiting past.

A gleaming white tower in ornate Indian style soars above the low-slung bungalows of north Tampa.

This kitsch eatery is chock-a-block with bric-a-brac.

One-time winter retreats of prolific inventor Thomas Edison and his friend Henry Ford.

The largest retailer of seashells in the world.

This ancient sinkhole-turned-healing-pool is a treasure trove of archeological discoveries and may even be the Fountain of Youth.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

This video store is a horror buff's dream.

The Emperor Tiberius' palace of debauchery.

In a city that boasts four separate inclined cable railways, this is one of the busiest funicular lines in the world.

This shining multicolored metro station deep under Naples is said to be the most beautiful in Europe.

The Bourbon royal family had this unique octagonal hunting "cottage" built on a tiny islet in Lake Fusaro.

A tree that defies gravity grows in an ancient ruin.

Italy's "New Mountain" rose from the ground in a volcanic eruption in 1538.

Italy's third-largest Roman arena gives a peek into the underground operations beneath the ancient spectacles.