The National Museum of the Great Lakes will offer free admission to all active and retired union members across the Labor Day Weekend, the museum said.
Members will have free access to the museum and its vessels Saturday through Monday during museum hours, with proof of membership according to museum officials.
Standard admission, ranging from $8 to $20, applies to accompanying non-members.
Tickets can be reserved and purchased in advance online at nmgl.org, though reservations are not required.
The museum is located at 1701 Front St.