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

<B>Pittsburgh Children's Museum</B>, 10 Children's Way, Allegheny Square, will host a Halloween costume parade at noon Oct. 28 to 31, explore makeup design from 10 a.m. to 4 p.m. Oct. 28 to 31, put on a puppet show, "Haunts, Hoots & Howls!" by We're Holden Puppets, and host a make your own monster puppet event at 1, 2 and 3 p.m. Oct. 31. Regular museum 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 and children ages 2 to 18, and free for children younger than 2. Call 412-322-5058 or visit the Web site, www.pittsburghkids.org.<B>National Aviary</B>, 700 Arch St., presents Happy Birthday 'X' The Owl, the aviary's Eurasian eagle owl, with Mr. McFeely from "Mister Rogers' Neighborhood" from 11 a.m. to 3 p.m. Saturday. A Haunted Aviary for adults only is planned for 7 to 10 p.m. Oct. 23. Built on the site of the former Western Pennsylvania Penitentiary, the National Aviary has been said to be haunted. Guests will hear tingling tales of aviary apparitions as well as ghost stories of the North Side. Light refreshments will be served. Cost is $25 per person. Call 412-323-7235, Ext. 213 to order tickets. Owl-O-Ween will be held from 11 a.m. to 3 p.m. Oct. 24, 25 and 31 and is free for children 11 and younger in costume. Regular fall/winter hours are from 10 a.m. to 5 p.m. Mondays through Saturdays and noon to 5 p.m. Sundays. Admission is $10 for adults; $9 for senior citizens; $8.50 for children ages 2 to 12; and free for children younger than 2. Call 412-323-7235 or visit the Web site, www.aviary.org.<B>Heinz History Center</B>, 1212 Smallman St., is showing "Behind the Scenes with the Pittsburgh Steelers: Photographs by Mike Fabus" through January. History center hours are 10 a.m. to 5 p.m. daily, except holidays. Admission is $10 for adults, $9 for senior citizens age 62 and older, $5 for students with ID and for children ages 4 to 17, and free for children 3 and younger. Call 412-454-6000.<B>Phipps Conservatory and Botanical Gardens</B> in Schenley Park continues "Life in the Gardens: Fräbel Glass at Phipps" through January. This exhibit features the artistry of German-born artist Hans Godo Fräbel, a founding father of modern glass sculpture. Phipps is open daily from 9:30 a.m. to 5 p.m. and until 10 p.m. on Fridays. Admission rates are $10 for adults, $9 for seniors age 62 and older and students with ID, and $7 for children 2 to 18. Phipps members and children younger than 2 are admitted free. Call 412-622-6914 or visit www.phipps.conservatory.org.<B>Carnegie Science Center</B>, One Allegheny Ave., North Side, will be closed on Sunday because of the Steelers home game. The center will also be close Oct. 25, Nov 15, and Dec. 6, 20 and 27 for the same reason. Regular hours are 10 a.m. to 7 p.m. Fridays and Saturdays and from 10 a.m. to 5 p.m. Sundays through Thursdays; closed holidays. Regular admission is $14 for adults and $10 for senior citizens age 62 and older and children 3 to 12. Parking is $3. Call 412-237-3400 or visit the Web site, www.carnegiesciencecenter.org.

<B>Old Economy Village</B>, Route 65, Ambridge, will present a Scherenschnitte holiday paper-cutting workshop from 8:30 a.m. to noon Saturday. The fee is $10 and registration is required. Call 724-266-4500, Ext. 101, or send e-mail to c-evoss@state.pa.us.