COUNTY

Maridon Museum, 322 N. McKean St., is open 11 a.m. to 4 p.m. Wednesdays through Saturdays, except holidays. Admission is $4 for adults, $3 for senior citizens and students, and free for children younger than 8 accompanied by an adult. Guided tours are available with advance notice for no extra charge. Call 724-282-0123 or visit www.maridon.org.

Harmony Museum, 218 Mercer St., Harmony, tours include the 1809 main museum building and wine cellar and a neighboring early 19th century house, both built by the communal Harmony Society, and a Mennonite log house, offered from 1 to 4 p.m. daily, except when the museum is closed Mondays and major holidays. Admission is $7 for adults, $6 for senior citizens age 60 and older, and $3 for youths ages 6 to 17. Call 724-452-7341.

REGION

Meadowcroft Rockshelter and Historic Village, 401 Meadowcroft Road, Avella, Washington County, part of the Smithsonian-affiliated Senator John Heinz History Center museum system, will host an Independence Day Celebration from noon to 5 p.m. Wednesday. Visitors are invited to wear red, white and blue while participating in popular 19th century family games like races, an egg toss, and a pie-eating contest. There will be a reading of the Declaration of Independence inside the Fairview church in the historic village. Meadowcroft admission is $15 for adults, $14 for senior citizens, and $7 for students and children ages 6 to 17. Visit www.heinzhistorycenter.org/meadowcroft or call 724-587-3412.

PITTSBURGH

Heinz History Center, 1212 Smallman St., will host a Flag Ceremony at noon Wednesday. Visitors can join local veterans in the Great Hall to help unfurl a 36-foot American flag. The history center is open from 10 a.m. to 5 p.m. daily. Regular center admission is $16 for adults, $14 for senior citizens age 62 and older, and $6.50 for students and children ages 6 to 17. Call 412-454-6000 or visit www.heinzhistorycenter.org.

Fort Pitt Museum in Point State Park, part of the Smithsonian-affiliated Senator John Heinz History Center museum system, will celebrate Fourth at the Fort beginning at 11 a.m. Wednesday. Visitors can help lower a British ensign and raise a 36-foot, 13-star American flag with help from museum staff and local scouts. From 1 to 4 p.m., the museum will present free living history demonstrations. Tours will begin at 11:30 a.m. and 1 and 2:30 p.m. and are included with regular museum admission, which is $8 for adults and $7 for senior citizens, with a $2 discount for retired and active military. Admission is $4.50 for students with a valid ID and children ages 6-17. Call 412-454-6415 or visit www.heinzhistorycenter.org.

Carnegie Science Center on the North Side hosts the Lego exhibit “The Art of the Brick” through Jan. 7 and behind the scenes tours of the USS Requin, Cold War-era submarine, July 8 and 29, Aug. 12 and 26, and Sept. 9. Call 412-237-3400.