While knives are the main feature in this store, visitors will also find dinosaur bones and meteorites.

In one of America’s oldest mountain ranges, a long-awaited section of a scenic highway is now open to the public.

This hotel was used during the Manhattan Project to house official visitors.

John Hendrix predicted the creation of the "Secret City" built as part of the Manhattan Project.

This improbable contraption was passed down through five generations of industrious Tennesseans.

A bronze sculpture honors the 12 black students who attended the first integrated public high school in the segregated South.

This Tennessee manse was built so opulent that the very utilities doomed it to fail.

One man’s religious convictions led him to build this stone castle meant to withstand an apocalypse.

A roadside music shop featuring a confounding series of folk art installations.

This video store is a horror buff's dream.

This stone memorial pays tribute to a massive shipwreck which was sadly overshadowed by the death of John Wilkes Booth.

Better known as the "Body Farm," this unique research facility has been studying how human bodies break down since the 1980s.

Before TV meteorologists, there were weather kiosks. This may be the last one in the United States.

The world's largest version of this iconic puzzle cube is located in Knoxville, Tennessee.

This collection of vintage signs reflects the long and colorful history of this Arizona town.

This collection of Wild West movie memorabilia also claims to hold some secrets of the Lost Dutchman's mine.

These free-roaming horses were once destined to disappear from the land.

A giant mascot, a car bomb, and the mafia mingle in the history of a defunct restaurant chain.

Once a year, at exactly 11:11 a.m., this monument comes to life.

Once disputed as the largest sundial in the world.

These petroglyphs created by ancient Arizonians have withstood centuries of exposure to the elements.

This rustic cabin, outfitted with gun slits, was once home to John D. Tewksbury, patriarch of the bloodiest family feud in American history.

This abandoned horse racing track was an exercise in hubris from its inception.

A $100,000 tumbleweed decorates an Arizona park and ride that got its priorities a bit tangled.