Martinsdale is located in Meagher County
, 25 miles west of Harlowton
on Hwy 294 near Lewis & Clark National Forest. It is home to the Charles M. Bair Family Museum, offering European antiques, Indian artifacts and original art by C.M. Russell, Joseph Henry Sharp and others. The museum was the home of sheep rancher Charles Bair and his daughters, Marguerite and Alberta, who left it for the public to enjoy. Seasonal.