Every Saturday, we encourage you to drop in the nature center for a hands-on experience with furs, skulls, shells and other interesting animal artifacts. Time: 1 p.m. Cost: Free. Location: Lake St. Clair Nature Center. Contact: Phone: (586) 463-4332. E-Mail: email@example.com A Metroparks vehicle entry permit is required to enter any Metropark and is only $35 annually for regular admission, $21 annually for seniors or $10 daily.