Birch Lodge
 The Birch Lodge also known as the Birch Lodge Hospital and Summer Resort Sanitarium or the Trout Lake Sanitarium is a resort facility located on the northern shore of Trout Lake off County Route H-40 .6 miles (0.97 km) west of MI-123 in Trout Lake Township Michigan. It was listed on the National Register of Historic Places in 1996 and designated a Michigan State Historic Site in 1987.