Facility Info
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Exhibits Space
- Reception Capacity 150
- Banquet Capacity 150
- Number of Rooms 5
- Classroom Capacity 130
Tours start Friday, May 27, 2022! Tickets available ONLINE ONLY. Click HERE for more information and to reserve your tour. Limited tickets and dates available.
AFTER THREE AND A HALF YEARS OF DORMANCY AND RESTORATION WORK, WE ARE OPEN! Yerkes Observatory, the birthplace of modern astrophysics, is an architectural masterpiece on fifty acres of Olmsted-designed ecological splendor. Since 1897, Yerkes has been the home and school to famous astronomers, Nobel prize winners, and renowned scientists but we're now open for public tours five days a week for the first time. The world-famous Observatory's beautiful location in Williams Bay, Wisconsin is only fifteen minutes from downtown Lake Geneva. We are on a new voyage under the stewardship of Yerkes Future Foundation, a nonprofit 501c3. All proceeds go to the restoration, preservation, and programs of this international landmark of astronomy, architecture, and landscape design. Don't miss these behind-the-scenes, restoration tours during our rebirth summer! For further information, please visit our website.