This is one really big nut.

Home of the International Space Hall of Fame.

The ruins of this abandoned fort now stand as a picturesque reminder of America's march West.

A clear blue swimming hole with hidden caves, still unexplored.

One New Hampshire alleyway has become home to a public gallery of feline art.

An alternate history park where the Union Army loses the war... to dinosaurs.

This university transit system is a 1970's vision of the future.

Come for the gun-toting hillbilly madman, stay for the ice-cream loving basketball bears.

Maybe the only missile installed in a public park, this Cold War leftover was one of the first to carry a nuclear warhead.

Along the Palisades skyline are the ruins of a large mansion built in 1911 and demolished in the 1930s.

Museum dedicated to the struggles of the disabled.

A mysterious air force base built to resemble a Long Island fishing village.

An old abandoned mining town in The Adirondacks where Theodore Roosevelt first learned of the shooting of President William McKinley.

A living antique aviation museum in the historic town of Red Hook, New York.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

An abandoned Gold Coast-era mansion once intended for the exiled ruler of Albania, who never arrived.