Crossroads will host a dedication of the new bridge May 30. Photo by Alec Fischer.

Observe Memorial Day weekend at Crossroads at Big Creek (, 2041 Michigan St. in Sturgeon Bay.

Saturday Science will meet May 28, 2 pm, when families can learn how to recognize some of the county’s common fossils with a free fossil chart and, if weather permits, by going on a fossil hunt outdoors. Meet at the Collins Learning Center.

Return at 8 pm May 28 for a viewing night with the Door Peninsula Astronomical Society (DPAS). The observatory will be closed for facilities upgrades, but DPAS members will still help visitors navigate the night sky using smaller scopes. If you have your own equipment, arrive early, and DPAS members will help you set up. If clouds block the skies, DPAS will offer planetarium shows.

Join a wildflower hike May 29, 2 pm, at Ida Bay, and perhaps see some migrating birds as well. Meet at the parking lot at the intersection of Buffalo Ridge Trail and Canal Road.

Crossroads will host a bridge dedication May 30, 9 am. During a short ceremony, guests will learn a bit about wetland restoration, and Sturgeon Bay Mayor David Ward will present a grant from the 1923 Fund and officially dedicate Crossroads’ newest assets. Light refreshments will be available. Guided hikes to the bridges will offer a bird’s-eye view of the restoration projects underway in the wetland areas. Meet at the Collins Learning Center.

Finally, learn about shrublands and why Crossroads cares about them Tuesday, May 31, 6:30 pm, through a talk-and-walk. Meet in the Collins Learning Center’s lecture hall for a short presentation, followed by a guided hike to several of Crossroads’ shrublands.

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