The Yerkes Observatory sits on 77 acres of land on the northwest edge of Geneva Lake in Williams Bay, Wisconsin. Although it’s 98 miles from the university, it’s long been considered a ...

It's then poured over a 31-foot spinning, steel structure outside Yerkes Observatory in Williams Bay, Wisconsin. "By the end of the weekend, we’ll have about 1,000 pounds of glass on it.

The World's Tallest Glass Christmas Tree will go up at Yerkes Observatory in Williams Bay in early December. The 36-foot-tall tree will be installed over the course of two weekends, Dec. 6-8 and ...