Brown Bear Car Wash will celebrate its 57th anniversary with free car washes on Aug. 21 at its automated “tunnel wash” locations in Issaquah and Sammamish.

The company has a tunnel facility at 3724 Factoria Blvd. S.E., Bellevue.

Over the past eight years, the company has washed over 200,000 vehicles during  twice-annual “free car wash days.”