Yerkes Observatory

Features

  • ADA-Compliant Bathrooms
    • Yes
  • Accessible Parking
    • Yes

Yerkes Observatory

373 W Geneva St - Williams Bay, WI 53191
Information: 262-245-5555
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Yerkes Observatory, home to the world’s largest refracting telescope, stands as a monumental landmark in both astronomy and architecture. Designed by Frederick Law Olmsted's firm—famed for Central Park, the U.S. Capitol grounds and many other iconic landscapes—the observatory sits on fifty acres of lush grounds overlooking Geneva Lake and has been a cornerstone of American astrophysics since its 1897 inception.

In its latest chapter, Yerkes Observatory shines as a beacon for current and future generations of scientists and artists, offering a space to discover and interpret the universe. Visitors can stroll through the meticulously designed landscape, explore the Beaux Arts and Romanesque architectural masterpiece, and follow in the footsteps of astronomical greats.

Prepare to be amazed as you experience the wonder that has captivated visitors and astronomers for over 125 years.