The world's largest vertical wind tunnel.

A retired tobacco farmer's pet project turned into a sturdy miniature city.

The antique barns in Cameron are not painted with your grandfather's Mail Pouch Tobacco murals.

An eerily abandoned stone tower is all that remains of a demolished dam on Cape Fear River.

A piece of outsider public art accompanied by a strange urban legend.

Ruins of an American Civil War iron forge still survive today.

A sculptor's dream castle turned fantastical ruin.

Rotting dome home spotted near Chapel Hill, North Carolina.

This research center for rare prosimians is studying how they sleep to help prolong human life.

This woodland architectural installation acts as a camera obscura for the heavens.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

This abandoned sea fort has become an accidental bird sanctuary.

Rediscovered after a century, the father of the American Navy was reinterred in something dredged up from Davy Jones' Locker.

The development and impact of electronic media showcased in a picturesque farmhouse in Maryland.

Electronic inventions that resulted in products and systems we use every day are on display in this labor-of-love museum.

A priceless collection of the Nation's cryptologic history.

The final resting place of the tragic king and queen of the Jazz Age is tucked away in a small Maryland graveyard.

The ruins of this long-abandoned unsuccessful gold mine can still be found.

One of the oldest Catholic churches in the U.S., situated just east of Gettysburg.

The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.

This pre-Revolutionary War grist mill ground corn and flour for soldiers in seven American wars.

Tiny observatory made big contributions to the study of the Earth's motion.

A museum dedicated to the history & joys of the trail & your best chance to see hikers throwing up ice cream.

A diorama of the Civil War, fought by cats.