Idra Novey visits NPR headquarters in Washington. Ryan Smith/NPR hide caption

itoggle caption Ryan Smith/NPR

The Bark winds through southeastern Wisconsin's "Kettle Moraine" — small hills called drumlins and deep glacial lakes known as kettles. It's part of the Mississippi watershed. Liam O'Leary hide caption

itoggle caption Liam O'Leary

Frank Tanabe votes via absentee ballot with the help of his daughter, Barbara (left) and wife, Setsuko, in Honolulu on Oct. 17. He died the following week. Irene Tanabe/AP hide caption

itoggle caption Irene Tanabe/AP