  | The Shipyard Our 20 "repairs" to a busy shipyard south of Baltimore should keep the solver busy for a while.
 
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   | Maryland State House A mural depicting Annapolis and the state capitol becomes an 18-difference puzzle (we did not touch the spelling on the ferry).
 
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   | Classroom Window It's hard to concentrate on the professor when the classroom has such unique features, but it's easy to concentrate on this 19-difference puzzle.
 
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  | Kitschy Kitschy Koo We go retro with this kollection of kool gear and its 18 changes. (And we also go Hitchcockian.)
 
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   | Mi-T-Mo An Inner Harbor boat displays a patriotic motif, and we display an 18-difference puzzle.
 
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   | Expressway Easel The retaining wall of a Baltimore highway becomes a seascape canvas, on which we've painted 18 alterations.
 
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   | 24/7/365 No matter what day and time it is, if you're in Atlantic City and need food or drink or a 17-change puzzle, Bill's is open for business.
 
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  | Home of the Cardinal A sweeping view from Hoover Tower across Stanford's campus becomes a 17-difference puzzle.
 
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   | Mr. G's on the Road Can you find the 20 alterations added to all the food that's not good to eat but great to eat pictured on Mr. G's truck?
 
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