Thomas Sully, Portrait of Sarah Sully and her Dog, Ponto, 1848, oil on canvas, 86.57.1San Antonio Museum of Art Charles Willson Peale , Portrait of Anna DePeyster, 1798, oil on canvas, 30 x 25 in., 51 ...

PHILADELPHIA (CBS) -- Puzzles are defined in a variety of terms. They can be scavenger hunts, riddles, jigsaw and lateral thinking, to name a few. Regardless of how you define it, there's always a ...