A railroad magnate's replica village has become home to a genetic seed bank for rare breeds of livestock.

Eco-friendly island mansion.

The idyllic colonial home of the artist behind the famous portraits of George Washington and Thomas Jefferson.

Abandoned Coast Artillery fort now serves as graffiti canvas and sightseeing vantage point.

A museum devoted entirely to hammers has more than 1,400 items on display dating back to the Romans.

A wrecked ship dating back to the American Revolution was only recently discovered off the Delaware coast.

The stone marker that Mason and Dixon placed at the eastern end of the famous north-south border they surveyed.

This historic sunny-yellow building has an unfortunate connection to the sinking of the Titanic.

One of the best places to see feral Colonial Spanish Mustangs in the United States.

The only known Futuro house in North Carolina sits along a stretch of desolate highway on the Outer Banks.  .

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

This shifting North Carolina sand dune is an odd little desert surrounded by oceanic forest life.

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

Once the site of a Native American harvest festival, this humble clearing later played an invaluable role in the birth of jazz.

This New Orleans tree is filled with hidden chimes that produce a carefully tuned melody.

The beautiful, fruit-covered facade hints at this building's former life.

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.

A little piece of Paris in the sultry south of the U.S.

A Prada store in the West Texas desert that is never open for business.

This old abandoned sign flickers to announce a motel that isn't even there.

This quirky outpost and gallery inside a former church is an unexpected trove of handcrafted art.

An abandoned quicksilver mining town surrounded by the Big Bend parks.

A time-capsule monument reminding future generations of the importance of efficient and effective use of natural resources.

A pair of giant legs paying homage to a poem, a king, and it would seem, socks.