Once the largest public hospital for the mentally ill was also surrounded by controversy.

This massive boulder is inscribed with the story of a sensational hostage negotiation dating back to Colonial times.

This railroad tunnel was once the longest in Massachusetts.

This old mill and former police station now present a world-class collection of Orthodox iconography.

No one really knows how these old hobby horses got here, but the herd keeps growing.

Final resting places of a husband and wife who became famous for their claims of extraterrestrial abduction.

One of the oldest baseball fields in continuous use has been hosting games since 1878.

Welcome sign announcing Haverhill, MA, as the birthplace of horror rocker/artist/director Rob Zombie.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

It was an experiment to prove that glacial boulders and rocks can be used in constructions and dwelling.

This small section of the Sleepy Hollow Cemetery is rotten with famous authors' graves.

The poems Nathaniel Hawthorne and his wife Sophia etched into its windows are still visible today.

A defunct all-girls college which may be the resting place of H.P. Lovecraft's real-life Necronomicon.

In order to save this beloved rock, locals blew it up and put it back together piece by piece.

Row, row, row your pumpkin quickly down the stream.

The gravestones in this historic cemetery are carved with mysterious faces.

This young woman's tombstone names her murderer, who is buried in the same cemetery.

New Hampshire's most beloved war hero lived out his retirement in this peaceful homestead.

A popular 19th-century natural landmark is now hidden within a sprawling forest.

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

A tribute to the couples who brave long periods of separation during wartime.

A man killed in a hunting accident is eternally guarded by a granite hound tombstone.

America's oldest archaeological site or a muddled case of wishful thinking.

A monument in a town outside of Boston celebrates the visits of Edgar Allan Poe.