The walls of America's oldest masonry fort famously "swallowed" cannonballs.

A tribute to Ponce de Leon's supposed quest for eternal youth.

Island ghost town detailing Flagler's folly in building the Overseas Railroad.

This iron and wood Civil War city-ship was the first vessel to be sunk by an electrically detonated torpedo.

A pair of black granite tails dive into a sea of grass in landlocked Vermont.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

Despite being burnt down multiple times, the ruins of this South Carolina church are still standing.

Over 600 acres of idyllic open grassland honor Nebraska’s georgic storyteller.

Small plaque marks the spot, but the true center is located about half a mile away on a private pig farm.

A bizarre house filled with an astounding array of collections.

One of the last surviving C-97s sits in a field in front of a Wisconsin inn.

A cemetery for only coon hounds in northwest Alabama.

An office built to look like a giant basket.

This abstract roadside poultry was saved from demolition by outraged drivers and pilots.

"We Seceded Where Others Failed."

The highway's southernmost spot is a beloved local attraction.

At this gas station in the middle of the desert, a convenience store has been carved directly into the rock.

Curtiss is a forgotten figure in the early history of flight.

Inside this museum resides a boot fit for a giant.

On the shores of Lake Superior, a small group of monks makes sacred sweets.

A comedy troupe's collection of bizarre humor.

Strange physical sensations and optical contradictions keep visitors coming back for more.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.