The 18-acre retreat is the last slice of baking power magnate William Ziegler’s Gold Coast assemblage, which has remained in his family for more than a century.

Belle Isle Park is open year round, from 5 a.m. to 10 p.m. Facility hours vary and are more restricted. For instance, the ...

The Harmony Hill Loop is an easier trail that winds through thick forests and passes near a historic cemetery, but the favorite seems to be the aptly named Island Trail that snakes around the park ...