One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

This former Masonic hall has been turned into an art project that uses even more metaphysical iconography.

On a former island, this old fortification once used to protect the Boston Area and started Edgar Allan Poe in his military career.

Hut with supplies for shipwreck survivors.

A New England ghost town features a trail of boulders etched with intriguing life lessons.

An eccentric inventor's castle home with its own indoor weather system.

At the supposed instruction of Ben Franklin and Socrates, a Spiritualist believer intended to birth a mechanical messiah here.

This Gothic castle was inspired by Erik the Red's Viking residence at Brattahlid in Greenland.

Located just behind a quiet residential neighborhood, this is ground zero for the Salem witchcraft hysteria of 1692.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

One man’s hobby is another man’s world of metal wonders.