American Whistle Factory Architectural historian Jeff Darbee visits the American Whistle Factory, the only manufacturer in the U.S. making metal whistles. Historic Food Establishments: Bucyrus Bratwurst There are small mom and pop establishments all over Ohio and producer George Levert is on the trail to find them. He heads to Bucyrus to learn more about the town’s connection to the Bratwurst and find out why Carle's Bratwurst has stood the test of time. Clintonville Yarn Bomber Under the cover of darkness, the Clintonville Yarn Bomber attaches crocheted art to items throughout the neighborhood.