On a way more brutally hot Saturday than my post-operational stamina had any right to be enduring, I weaved my way pitifully through Pelham Bay in the Bronx, a mendicant seeking what crumbs the neighborhood would toss an amateur seeker of hidden urban secrets. After gingerly crossing a broken glass-strewn, pockmarked, graffiti-smeared expressway overpass, I saw [...]

