Austin’s nonprofit-run graffiti park where street art is meant to be painted over.

This advertisement for talcum powder was painted on the rock face and has since defied removal.

Outside a small brewery, a Gothic fountain that once provided water to thirsty horses.

A toxic ghost town sitting atop a massive coal fire.

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

A museum within a museum, devoted to history's most questionable medical devices.

An unusual assortment of art, furniture, and other curiosities.

This small, but beautiful waterfall has attracted visits from artists, composers, and two United States presidents.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

17,400 lbs., 12 feet in diameter, and 29 years in the making.

Is this 47.7-mile stretch of highway the longest straight road in the United States?

Three witches are said to be buried beneath these unmarked concrete graves.

A monument commemorating how a frontier town got its unusual name.

In the remote high desert of New Mexico, a strange array of poles beckon fury from above.

This popular pitstop lives up to its name.

The final resting place of the living embodiment of the famous Forest Service symbol.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

A wealth of pop culture statuary and green chile dishes give this roadside restaurant clout.

This huge dam across the Colorado River caused an armed standoff between two U.S. states.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

Experience a charming 1930s version of "infotainment."

These markers are used to document elevation changes around the famed dam.

This sign designates the road that leads to the infamous Area 51.

An eatery for UFO seekers on the Extraterrestrial Highway.