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

<B>Children's Museum</B>, 10 Children's Way, Allegheny Square, features "Tough Art," four interactive artworks tough enough to withstand handling by kids, through Jan. 16. Irony City Improv Troupe will perform at 1:30 and 3 p.m. Saturday, and a Musical Fusion Performance & Workshop is planned for 3 p.m. Sunday. 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 older than 65 and children ages 2 to 18, and free for children younger than 2. Parking is $5 for nonmembers. Call 412-322-5058 or visit www.pittsburghkids.org.<B>Phipps Conservatory and Botanical Gardens</B>, One Schenley Park, hosts "The Fall Flower Show: Gothic Gardens in Autumn" featuring a garden railroad, mythic creatures and chrysanthemums, through Nov. 7. Halloween happenings are planned for 4 to 8 p.m. Oct. 29, when guests can take their children dressed in costume for a variety of Halloween activities free with paid admission. Fall Fridays will be held from 5 to 9 p.m. Friday as well as Nov. 5 with appetizers and beverages available. Docent-led tours are free with general admission. Phipps 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 age 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 phipps.conservatory.org.<B>Heinz History Center</B>, 1212 Smallman St., is showing "Vatican Splendors: A Journey through Faith and Art" containing original works by Michelangelo, Bernini and Giotto in the largest Vatican exhibit to visit North America through Jan. 9. Nearly 200 rare pieces of art and historical objects from the Vatican are shown along with a collection of Western Pennsylvania religious artifacts. Tickets are $20 for adults, $17 for senior citizens and students with college ID, and $13 for children ages 6 to 13: children age 5 and younger are admitted free. Tickets are available online at www.ticketmaster.com, or by calling 888-588-4226. The center is open daily from 10 a.m. to 5 p.m. Visit www.heinzhistorycenter.org.