The lesser-known lost colony of Roanoke was a safe haven for formerly enslaved people during the Civil War.

Down the road from where the Wright brothers lifted off is another flight tribute practically hidden from sight in the woods.

The very first subway station in New York City is beautiful, decked out in chandeliers, and ... abandoned?

The oldest continuously occupied public building in the United States.

Apparently, the whole cosmos emanates from this plain concrete tower.

Deadly airliner crash preserved for those willing to climb and pay respects.

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

A burnt-out motel with priceless Native American artwork in the basement, redeveloped into apartments.

"I did this all while you were watching TV."

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

Despite time, colonization, and the brutal New Mexican heat, these Pueblo ruins still stand.

Legends surround this jagged rock formation in the New Mexico desert.

A multi-storied adobe complex has been inhabited for more than a thousand years.

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

A perfectly preserved small-town pharmacy and soda fountain that opened in the early 20th century and closed in the 1980s.

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

This erect, phallic geological spire wasn't always named so domestically.

For thousands of years, Native American hunters drove buffalo straight off this cliff in Montana's Yellowstone Country.

The highest point in Montana is as rugged and singular as the state itself.

The only road through the heart of Glacier National Park.

This off-the-beaten-path abandoned town is a relic of Montana's silver mining boom.

The ruins of the northernmost pueblo in the Americas tell the story of a mixing of native cultures.

Explore the cabin where the famed abolitionist once lived and the site where he fought the Battle of Osawatomie.