Harmony Museum on Mercer Street in Harmony offers guided tours from 1 to 4 p.m. daily except Mondays. Reservations are suggested for weekends and required for groups. Call 724-452-7341 or 888-821-4822, or visit www.harmonymuseum.org.

<B>Carnegie Science Center, </B>North Side, will be closed Sunday due to the Steelers game. The Miniature Railroad and Village exhibit continue. Regular science center hours are 10 a.m. to 5 p.m. Sundays through Fridays and 10 a.m. to 7 p.m. Saturdays. Regular admission is $17.95 for adults and $9.95 for children ages 3 to 12. Omnimax films are extra. Call 412-237-3400 or visit www.carnegiesciencecenter.org.<B>Heinz History Center</B>, 1212 Smallman St., in its two-floor Sports Museum includes Steelers’ memorabilia such as Franco Harris’ shoes and Three Rivers Stadium turf; a Steel Curtain display featuring game-used helmets, jerseys and shoes; an interactive area where fans can throw a pass to all-time greats Lynn Swann and John Stallworth; and a display of hundreds of Steelers trading cards from the 1940s to today. In honor of the Steelers being in the AFC Championship Game, fans who mention the special phrase “Ground the Jets” will receive a buy-one-get-one-free admission to the History Center and Sports Museum through Monday. The Sports Museum is open daily from 10 a.m. to 5 p.m. and is included as part of regular history center admission: $10 for adults; $9 for seniors age 62 and older; $5 for children ages 4-17 and students with a valid ID; and free for members and children age 3 and under. Call 412-454-6000.<B>ToonSeum</B>, Pittsburgh’s Museum of Cartoon Art, 945 Liberty Ave., hosts a screening of “My Neighbor Totoro” at 3 p.m. Saturday. Admission for screenings is by donation. Museum hours are 10 a.m. to 3 p.m. Wednesdays and Thursdays, 10 a.m. to 5 p.m. Fridays and Saturdays and 11 a.m. to 4 p.m. Sundays. Museum admission is $4 for adults and $3 for children ages 5 to 17; children younger than 5 are admitted free. Visit www.toonseum.org.<B>Nationality Rooms</B> at the University of Pittsburgh’s Cathedral of Learning, 4200 Fifth Ave., take reservations for guided tours for groups of 10 or more. Tour fees are $3 for adults and $1 for youths ages 8 to 18. Call 412-624-6000.<B>Phipps Conservatory and Botanical Gardens</B>, One Schenley Park, is open daily from 9:30 a.m. to 5 p.m. and Fridays until 10 p.m. Admission is $12 for adults; $11 for senior citizens 62 and older and students with valid ID; $9 for children ages 2 to 18; and free for children younger than 2. Call 412-622-6914 or visit the following website: www.phipps.conservatory.org.<B>National Aviary</B>, 700 Arch St., is open from 10 a.m. to 5 p.m. every day. Admission is $12 for adults, $11 for senior citizens, $9.50 for children ages 2 to 12 and free for those younger than 2. Call 412-323-7235 or visit www.aviary.org.<B>Carnegie Museum of Natural History, </B>4400 Forbes Ave., Oakland, displays dinosaur bones and gems plus “Winging It: An Experimental Gallery About Birds,” continuing through March 19. Museum hours are 10 a.m. to 5 p.m. Tuesdays through Saturdays, with additional hours until 8 p.m. Thursdays and noon to 5 p.m. Sundays. Admission, which includes the Carnegie Museum of Art, is $15 for adults, $12 for senior citizens, $11 for students with ID and children ages 3 to 18 and free for members and children younger than 3. Call 412-622-3131 or visit www.carnegiemnh.org.<B>Children’s Museum</B>, 10 Children’s Way, Allegheny Square, continues “Whoosh!” through May 29. Hours are 10 a.m. to 5 p.m. Mondays to Saturdays; and noon to 5 p.m. Sundays. Admission is $11 for adults; $10 for senior citizens older than 65 and children ages 2 to 18 and free for children under 2. Parking is $5 for nonmembers. Call 412-322-5058 or visit www.pittsburghkids.org.