Learn about Wisconsin bats by viewing the official DNR Wisconsin Bat program slide presentation with Hawthorn Hollow’s Education Manager and Naturalist Ryan Retzke and Wisconsin Bat Naturalist Mary Wagner. Learn […]
Indulge in the ultimate sensory experience at "Wednesday Under the Stars" hosted at the picturesque Heide Observatory. Sink into a blissful zero-gravity chair with your favorite beverage in hand, and […]
Experience the awe-inspiring "Through the Lens" event at The Heide Observatory, where celestial wonders come to life. Peer into the depths of the universe using our powerful 17-inch telescope, taking […]
Indulge in the ultimate sensory experience at "Wednesday Under the Stars" hosted at the picturesque Heide Observatory. Sink into a blissful zero-gravity chair with your favorite beverage in hand, and […]
Experience the awe-inspiring "Through the Lens" event at The Heide Observatory, where celestial wonders come to life. Peer into the depths of the universe using our powerful 17-inch telescope, taking […]
🌿 Buckthorn & Brats at Hawthorn Hollow! 🌭 Help us protect native habitats by removing invasive buckthorn! 🗓 Date: Saturday, November 1st 🕙 Time: 10:00 AM – 12:00 PM 📍 […]
Enjoy a relaxing evening at Wednesday Under the Stars, hosted at the picturesque Heide Observatory. Settle into a zero-gravity chair with your favorite beverage and embark on an unforgettable journey […]
Experience the awe-inspiring Through the Lens event at The Heide Observatory, where celestial wonders come to life as you peer through our powerful 17-inch telescope to observe binary stars, distant […]
Join us for Small Eyes Under the Skies at The Heide Observatory, a family-friendly astronomy adventure that begins with an interactive walk through a scale model of our solar system […]
Join us at The Heide Observatory for an evening devoted to the planets under darker skies—with no Moon to wash out the view, you’ll enjoy sharper contrast and deeper glimpses […]