COUNTYHarmony Museum, 218 Mercer St., Harmony, has museum tours that include the 1809 main museum building and wine cellar and a neighboring early 19th century house, both built by the communal Harmony Society, and a Mennonite log house, offered from 1 to 4 p.m. daily except when the museum is closed Mondays and holidays. Admission is $7 for adults, $6 for senior citizens age 60 and older, and $3 for youths ages 6 to 17. Call 724-452-7341.

REGIONThe annual miniature railroad display in Emlenton is open weekends in January. The layout is open from 12:30 to 5 p.m. Saturdays and Sundays at Donaldson Motors, 714 River Ave. The main layout is HO-scale and covers 60 square feet. There also are three 4- by 8-foot displays featuring Lionel, Marx, American Flyer and Thomas the Tank Engine along with miniature train engines, cars and trucks. Admission is free, but donations are accepted to help cover costs. Call 724-867-2293.

PITTSBURGHCarnegie Science Center next to Heinz Field on the North Side will host Locomotion Weekend on Saturday and Sunday featuring displays and activities from model train associations and hobbyists. Visitors can take their own model trains for a free checkup by the “Loco Doctor,” which includes basic repairs, cleaning and oiling. All activities are included with general admission of $18.95 for adults and $11.95 for children ages 3 to 12. Call 412-237-3400 or visit CarnegieScienceCenter.org.Fort Pitt Museum in Point State Park is closed through Jan. 30. The exhibition “Captured by Indians: Warfare & Assimilation on the 18th Century Frontier” will then continue on display through May 22.Phipps Conservatory and Botanical Gardens, 700 Frank Curto Drive, presents the Winter Flower Show and Light Garden through Sunday. The outdoor areas open at 5 p.m. The conservatory will remain open until 11 p.m. for Candlelight Evenings throughout the show. Admission is $15 for adults, $14 for seniors and students and $11 for children ages 2 to 18. Regular hours are 9:30 a.m. to 5 p.m. daily, and until 10 p.m. Fridays. Call 412-622-6914.Heinz History Center, 1212 Smallman St., continues to host the “We Can Do It!” World War II exhibition through Sunday, with expanded hours from 10 a.m. to 8 p.m. each day until then. Admission is $16 for adults, $14 for seniors age 62 and older, $6.50 for students and children ages 6 to 17, and free for children age 5 and younger. Call 412-454-6000 or visit www.heinzhistorycenter.org.Children’s Museum, 10 Children’s Way, Allegheny Square, presents the display “Voyage to Vietnam: Celebrating the Tet Festival” through Jan. 17. The museum is open 10 a.m. to 5 p.m. daily. Museum admission is $14 for adults and $13 for children ages 2 to 18 and senior citizens. Children younger than 2 are admitted free. Call 412-322-5058 or visit www.pittsburghkids.org.Carnegie Museum of Natural History, 4400 Forbes Ave. in Oakland, hosts the interactive exhibit “Animal Secrets” through Sunday. The decorated holiday trees and Neapolitan Presepio, the Italian Nativity scene, can be seen through Monday. Hours are 10 a.m. to 5 p.m. Mondays and Wednesdays through Saturdays with extended hours until 8 p.m. Thursdays and from noon to 5 p.m. Sundays; closed Tuesdays. Admission is $19.95 for adults, $14.95 for senior citizens age 65 and older, $11.95 for students with ID and children ages 3 to 18, and free for children younger than 3, and includes the Carnegie Museum of Art. Call 412-622-3131 or by visiting www.carnegiemnh.org.