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Fermilab's Batavia site is open to the public.

View more details on hours, activities and other site access requirements.


Fermilab Outdoor Family Fair

Unfortunately, we have had to cancel the Outdoor Family Fair for 2022. Watch this space for information on the 2023 Outdoor Family Fair!

Families explore the outdoor world at Fermilab through hands-on exploration with nature. Watch video of a former event.

  • See Mr. Freeze!
  • Listen to science music from Mike Offut!
  • Plein Aire for artists of all ages!
  • See the sun through solar telescopes courtesy of the Naperville Astronomical Society!
  • Walk with a naturalist!
  • Explore our outdoor exhibits!

When: Watch for the return of the Outdoor Family Fair in 2023!

Audience: Families

Location: Lederman Science Center, Fermilab. Map

Registration: Please register here to facilitate entry to the site on the day of the event.

Contact: Lori Haseltine, Lederman Science Center, Education Office
P.O. Box 777, Batavia, IL 60510-0500
(630) 840-5588,

The Outdoor Family Fair is co-supported by Fermilab Friends for Science Education and the Education Office.