Parks
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Trees and Shrubs of Door County
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Join arborist and horticulturist Tom Wolfe as he shares his vast knowledge about trees and shrubs.
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Astronomy at Bong
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Meet at Parking Lot F to uncover the mysteries that light our natural sky each evening, with local astronomy enthusiast — Tom Harper! Bring your own telescope or binoculars and/or take a peek through Tom’s scope!
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Window to the Universe
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Learn about and view the universe you call home with the Northern Cross Science Foundation!
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Are There Bats at Bong?
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Are there Bats at Bong? Find out with a local Bat Ambassador and Master Naturalist, John Davies.
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Astronomy and Star Gazing
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Join Bill Dirienzo of UW-Green Bay for an evening of stargazing and astronomy.
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Explore the Night Sky
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Join the Madison Astronomy Society (MAS) to learn about the night sky. From 8-8:45 p.m., join MAS for an Astro-naturalist talk and starting at 9 p.m., starting at 9 p.m., an MAS astronomer and his laser pointer will take you on a tour of spring…
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Sustainable Safari
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Kick off the 2026 summer program season at Merrick State Park with the return of a crowd favorite: Sustainable Safari®!
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Wetlands
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During this event we will discuss how wetlands operate, some unique animals and plants, along with why they are an important environment to help maintain and how to get involved with conservation efforts.
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Move Like Malcolm with Run Black & Green
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Ever wanted to see a turtle eat? Or see a snake up close? Come visit the animals as they eat their lunch.