World’s Tallest Glass Tree

Witness the building of the World’s Tallest Glass Tree at the Yerkes Observatory in Williams Bay. Watch live glass blowing, steel sculpturing, and wood crafted into beautiful pieces. See the newly restored great refractor telescope. Grab a tasty beverage, let the kids explore and browse the winter market of local artisans. The Worlds Tallest Glass Tree is open weekends December 5th through 14th.