BEDFORD, Pennsylvania — For a brief moment, it was as if stepping back in time when a series of 1920s Bentley Roadsters chugged up along the ridge of the winding Lincoln Highway in the mountains of Somerset County. Both the drivers and passengers were wearing goggles, their scarves billowing in the wind.

The smiles on their faces, so carefree and joyful, were something you wished you could bottle and save for yourself.