The vertical-axis windmills of ancient Persia have been grinding flour for 1,000 years and counting.

This Upstate New York park squeezes a lot of history into its two-acre triangular space.

This island castle contains enough secret passageways to support a season of Scooby-Doo episodes.

Opened in 1947, this is the oldest continuously-operating drive-in theater in New York.

The final resting place for the famed creator and narrator of "The Twilight Zone."

Launch vegetables using oversized slingshots at this Fingerlakes winery's roadside attraction.

A historic home with ties to the abolition and suffrage movements.

World's largest herd of white deer populate a former U.S. Army depot.

The graffitied ruins stand hidden within the Pennsylvania woods.

This abandoned Poconos resort is haunted by a history of kitschy romance and a violent fugitive.

The red crab exhibits one of the most spectacular migrations on earth, despite manmade obstacles.

This crumbling UFO is one of only a few remaining "moveable ski chalets" of its kind.

The old Route 66 town straddling Texas and New Mexico died along with the Main Street of America.

A Beaux-Arts triumph set to become Ford's innovation campus

During the 1990's nearly all of the world's LSD is thought to have come from the operators of the lab once located in this missile silo.

A tribute to those that perished during the American Revolution.

Must form and function forever remain at odds? Not if the Florida Department of Transportation has its way.

The remnants of the fortress that saved Georgia from the Spanish still stand guard on their swampy island.

This ancient octopus-like tree was saved from destruction thanks to shady reporting.

The ruins of an open-air theater built on this Georgia island in the 1970s.

A sprawling maze of used books piled from floor to ceiling.

Jacksonville's highways rendered this century-old grammar school unusable.

Proceeds from this colorful teahouse in a historic Atlanta neighborhood directly fund women’s education in northeast India.

A little-known mural reveals the hydrological reason for Atlanta's founding in this location.