The Grand Canyon of Texas.

This unique structure in suburban Austin is made up entirely of other people's castaways, and constantly changing.

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

This quirky local sculpture is quite literally a fish out of water.

This 5-by-6-foot wooden hut is the smallest historic post office in the U.S.

The oldest lawn bowling club in the United States.

The illuminating collection of L.A. street lights is run by the city and only opens one day per month.

Every Christmas, one Arizona city makes the most of its dry climate by creating an arid desert tannenbaum.

A large stone map of Arkansas awaits visitors to its highest point.

Town not known for anything except its strange name.

Three markers installed over the course of 140 years mark the point where Arkansas, Missouri, and Oklahoma converge.

An abandoned early-20th-century boomtown sits within the Calico Rock city limits.

This historic bridge has weathered fires and floods and still stands, now abandoned, where it has stood since 1874.

One of the most acclaimed eateries in Arkansas is a two-table diner on the ground floor of a family home.

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

The legend of a local monster still haunts this small town.

A hillbilly theme park that proved so unpopular the land wouldn't even sell on eBay after it closed.

Claims to be the "World's Highest Hill."

A tiny but mighty little pumper sits in the middle of the street, waiting for the next big oil strike.

Its incredible collection preserves 170 years of sewing machine history.

This unusually circular centenarian barn became a Route 66 icon.

Over 50 historic windmills whir away at this outdoor museum.

A detached cement mixer has been transformed to resemble a relic from some obscure NASA mission to Oklahoma.

To honor his gardening wife, this yard artist turns bowling balls into playful, colorful sculptures.