| Williams Bay, Wisconsin, 40 inch refractor telescope, Yerkes Observatory, 22 Mar 2013 | Williams Bay, Wisconsin, 40 inch refractor telescope, Yerkes Observatory, 10 Oct 2014 | Williams Bay, Wisconsin, 40 inch refractor telescope, Yerkes Observatory, 1 Jun 2018 |
|
|
|
|
| Williams Bay, Wisconsin, 40 inch refractor telescope, Yerkes Observatory, built 1897, 1 Jun 2018 | Williams Bay, Wisconsin, library, Yerkes Observatory, library, 1 Jun 2018 | Zenda, Wisconsin, bar & grill, est. 1917, 28 Mar 2013 |
|
|
|
|