Harmony Museum, 218 Mercer St., Harmony, offers guided tours from 1 to 4 p.m. daily except when the museum is closed Mondays. Admission is $7 for adults, $6 for senior citizens, and $3 for youths ages 6 to 17. Call 724-452-7341 or visit www.harmonymuseum.org.

Drake Well Museum, 202 Museum Lane, Titusville, will host the lecture “Guns & Oil: The PA Oil Region in the Civil War” by regional historian Margo Mong at 6:30 p.m. April 24. Admission is $5 for those age 12 to 64, $4 for those age 65 and older, and free for children and Friends of Drake Well members. Museum hours are 9 a.m. to 5 p.m. Tuesdays through Saturdays and noon to 5 p.m. Sundays. Call 814-827-2797 or visit www.drakewell.org.

Phipps Conservatory and Botanical Gardens presents the spring flower show through Sunday. Phipps will reopen the Butterfly Forest on April 26. Hours are 9:30 a.m. to 5 p.m. daily and until 10 p.m. Fridays. Admission is $15 for adults, $14 for senior citizens and students, and $11 for children ages 2 to 18. Call 412-622-6914 or visit phipps.conservatory.org.National Aviary, 700 Arch St., hosts Eggstravaganza from 11 a.m. to 3 p.m. Friday through Sunday. Activities are included with admission, which is $13 for adults, $12 for senior citizens, and $11 for children ages 2 to 18. Regular hours are 10 a.m. to 5 p.m. daily. Call 412-323-7235 or visit www.aviary.org.Heinz History Center, 1212 Smallman St., is displaying Bill Mazeroski’s 1960 World Series uniform and bronzed bat, on loan from the Tull Family Collection, through May 1. Center admission is $15 for adults, $13 for senior citizens, and $6 for students and children ages 6 to 17. Call 412-454-6000 or visit www.heinzhistorycenter.org.ToonSeum, Pittsburgh’s Museum of Cartoon Art at 945 Liberty Ave., hosts an exhibit about the children’s book series “Little Golden Books” through June 30. Hours are 10:30 a.m. to 3:30 p.m. Mondays, Wednesdays and Thursdays, 10:30 a.m. to 7 p.m. Fridays, 10:30 a.m. to 5 p.m. Saturdays and 11 a.m. to 5 p.m. Sundays; closed Tuesdays. Admission is $6 for those over age 13 and $3 for children ages 6 to 12. Senior citizens, college students, veterans and active military pay $5. Call 412-232-0199 or visit toonseum.org.Children’s Museum, 10 Children’s Way, Allegheny Square, hosts “XOXO: An Exhibit About Love and Forgiveness” through Aug. 31. The museum is open 10 a.m. to 5 p.m. daily. Admission is $13 for adults and $12 for senior citizens and children ages 2 to 18. Call 412-322-5058 or visit www.pittsburghkids.org.Carnegie Museum of Natural History, 4400 Forbes Ave., Oakland, presents “Race: Are We So Different?” through Oct. 27. Hours are 10 a.m. to 5 p.m. Mondays and Wednesdays through Saturdays and noon to 5 p.m. Sundays with extended hours until 8 p.m. Thursdays. Closed Tuesdays. Admission is $17.95 for adults, $14.95 for senior citizens, and $11.95 for students and children ages 3 to 18. Admission after 4 p.m. Thursdays is discounted. Call 412-622-3131 or visit www.carnegiemnh.org.