The most magnificent bottle house in a town strangely full of them.

Odd outsider art installations surround a Gold Rush-era ghost town.

This massive crater in the middle of nowhere was used to train astronauts for moon landings.

A stretch of highway even lonelier than the so-called "Loneliest Road in America."

Come for the speed, leave in love with the desert.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

An oasis of lilies cultivated by the "Indiana Jones of Water Lilies."

Three hundred years of preserved Spanish colonial history in San Antonio.

A curious cone-shaped structure made of wire and covered with antlers.

A dam that moonlights as a gigantic, brutalist waterslide.

A recreated Stonehenge stands in a country field, complete with Easter Island moai heads standing as sentries.

Craggy concrete faces are hidden in the walls of this artificial cave along the San Antonio River.

The oldest active mini golf course in the U.S. has an elegant Art Deco style filled with lush tropical plants.

The 40-foot-tall votive candle is the largest of its kind.

These boots are made for selfies.

A Texas cave network is home to some of the world's most spectacular-looking and bizarrely named mineral formations.

An unprepossessing storage reservoir in southern Utah has a checkered past.

These falls, sometimes called the "Niagara of the West," still put on a good show at the right time of year.

This 40-foot fowl marks the so-called "wild goose capital of the world."

At a mile long, the Fort Madison Bridge is the largest double-decker swing-span bridge in the world.

A Mormon place of exile in Missouri.

Outside the Missouri Quilt Museum, this large spool has more than one million yards of thread—and counting.

This otherworldly church spire reaches up toward the heavens.

A beloved, quirky little fountain featuring a large frog spitting water at a naked boy.