Ah, Walnut, Iowa, a hidden gem founded in 1870, is a charming town with a population of roughly 2,310 residents. Known for its antique shops lining the streets, this quaint town also boasts a rich history as the birthplace of famed American author Bess Streeter Aldrich. With its picturesque Main Street and warm community vibe, it’s no wonder Walnut has sister cities in Denmark and Norway, adding an international flair to this Midwest destination.