Take Union Station, the big redbrick depot at the foot of State Street. It was the last (1888) of H. H. Richardson’s Romanesque Revival stations. Demolition loomed in 1961, but a citizens group came to the rescue. Today, Union Station is a stop on Amtrak’s Northeast Corridor. Just out back, a pretty little park faces the mouth of the Thames River (Thaymes hereabouts, not Tems, as in London). At the park’s edge is a bronze statue of a 7-year-old boy, in 1895 garb, sketching a lighthouse. That’s Eugene O’Neill. I happen to be in town the one late fall day that his family’s cottage, Monte Cristo, is open for tours. Named for his actor father’s most famous role, the Count of Monte Cristo, the playwright’s boyhood summer home was the setting for his Long Day’s Journey Into Night. Landscaping designer We’re restoring the house according to the stage directions, says associate curator Lois McDonald. It’s the only author’s home this can be done withO’Neill was so precise in his descriptions. Outside, the sea fog the playwright loved gathers at the mouth of the Thames.