Harmony Museum on Mercer Street in Harmony offers 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; visit www.harmonymuseum.org.

<B>National Aviary</B>, 700 Arch St., hosts the lecture “Hearts and Flyers: A Look at Bird Courtship” at 3:30 p.m. Sunday. The lecture is included in the admission price. The aviary is open daily from 10 a.m. to 5 p.m. Admission is $13 for adults, $12 for senior citizens, $11 for children ages 2 to 18, and free for children younger than 2. Call 412-323-7235 or visit www.aviary.org.<B>Children’s Museum</B>, 10 Children’s Way, Allegheny Square, presents the exhibit “Wheels” Saturday through May 18. hours are 10 a.m. to 5 p.m. Mondays to Saturdays and noon to 5 p.m. Sundays. Admission is $12 for adults, $11 for children ages 2 to 18 and senior citizens, and free for children younger than 2. Call 412-322-5058 or visit www.pittsburghkids.org.<B>Phipps Conservatory and Botanical Gardens</B> presents the annual orchid and tropical bonsai show through March 4. The conservatory at One Schenley Park is open from 9:30 a.m. to 5 p.m. daily and until 10 p.m. Fridays. Admission is $12 for adults, $11 for senior citizens and for students with valid ID, $9 for children ages 2 to 18, and free for children younger than 2. Call 412-622-6914 or visit http://phipps.conservatory.org.<B>Carnegie Science Center,</B> North Side, on Friday and Saturday presents “Engineer the Future” with demonstrations by engineering societies. The center is open 10 a.m. to 7 p.m. Saturdays and 10 a.m. to 5 p.m. Sundays through Fridays. Admission is $17.95 for adults and $11.95 for children ages 3 to 12. Most activities are included in the admission price, but some, like Omnimax films, cost extra. Call 412-237-3400.<B>Heinz History Center</B>, 1212 Smallman St., presents “Stars and Stripes: An American Story” through June 17. The center is open daily from 10 a.m. to 5 p.m. Admission is $10 for adults, $9 for senior citizens, $5 for students with ID and for children ages 4 to 17, and free for children 3 and younger. Call 412-454-6000 or visit www.heinzhistorycenter.org.<B>Fort Pitt Museum</B> in Point State Park is featuring “The American Frontier Rifleman: Tall Tales & Truth,” which explores 200 years of this American legend through rare artifacts, lifelike museum figures, and displays on the American rifleman in popular culture, through April 30. Visit www.heinzhistorycenter.org.<B>ToonSeum</B>, Pittsburgh’s Museum of Cartoon Art at 945 Liberty Ave., presents “Funky Turns 40: The Black Character Revolution” through March 10. Admission is $4 for adults and free for children 12 and younger. 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. Call 412-232-0199 or visit www.toonseum.org.<B>Carnegie Museum of Natural History</B>, 4400 Forbes Ave., Oakland, will have free admission from 3:30 to 8 p.m. Thursdays in February and March. Andy Warhol’s eight “Dogs and Cats” paintings, created in 1976, are on view in the museum’s entrance gallery through June 30. Admission is $15 for adults, $12 for senior citizens, and $11 for students with ID and children ages 3 to 18, and free for members and children younger than 3. 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. Call 412-622-3131 or visit www.carnegiemnh.org.<B><I><U></B></U></I>