There’s a lot that’s grand about this listing, including the fact that you’re steps from Grand Army Plaza (with all of Prospect Park below). But the building that holds this three-bedroom condominium is the kind that turns heads. The historic Queen Anne/Romanesque Revival mansion at 70 Eighth Avenue stands out even in a neighborhood filled with architectural grandeur, with a turret and bell dome, terra cotta ornamentation and stained glass details. This 1,847-square-foot, three-bedroom duplex on the market for $1.847 million would give you a chance to roll up to that bad boy every day. You would have to keep rolling up at least a couple of flights of stairs (there’s no elevator to get to this “penthouse”) but the landmarked four-story beauty would certainly be an interesting place to call home.