The Abby Aldrich Rockefeller Folk Art Museum is a gem. The facility houses one of the U.S.’s best collections of folk art from the 17th to the 19th centuries. Cross Rhythms Folk Musical Instruments features banjos, fiddles and dulcimers. Sidewalks to Rooftops: Outdoor Folk Art showcases whimsical weathervanes and advertising signs that include a carved shoe, a whirligig, and a...