The Butler Penn Theater will continue to display the holiday trains at "Penn Station" for one more showing. The final time is from 1 to 4 p.m. Saturday at the theater, 149 N. Main St. Call 724-287-7366.

<B>Frick Art and Historical Center's Car and Carriage Museum</B>is currently featuring three antique automobiles: a 1937 Cord Model 812 Convertible, a 1934 Packard Dual Cowl Model 1107 Sport Phaeton, and a 1948 Tucker '48, also known as a Tucker Torpedo, through May. "A Victorian Christmas" concludes Sunday. Regular hours at the Car and Carriage Museum at the Frick 10 a.m. to 5 p.m. Tuesdays through Sundays. Call 724-371-0600.<b>Phipps Conservatory and Botanical Gardens</B> at One Schenley Park features the Winter Flower Show "One Enchanted Evening" through Sunday.Regular hours are 9:30 a.m. to 5 p.m. daily, and Fridays until 9 p.m. for this show. Admission is $7.50 for adults, $6.50 for seniors age 62 and older, $5.50 for students with ID, $4.50 for children ages 2 to 12, and free for children younger than 2. Call 412-622-6914.<B>Carnegie Museum of Natural History</B>, 4400 Forbes Ave. in Oakland, continues"The Mysterious Bog People," an exhibit of seven mummies and surrounding artifacts discovered in northwestern European peat bogs, through Jan. 23. The museum is open 10 a.m. to 5 p.m. Tuesdays through Saturdays and noon to 5 p.m. Sundays. Closed most Mondays and holidays. Admission is $10 for adults, $7 for senior citizens and $6 for children ages 3 to 18 and full-time students with ID; children under 3 are admitted free. Parking in the museum's garage is hourly on weekdays and a flat rate on weekends. Call 412-622-3131.<B>Heinz History Center</B> is hosting "AfterImage: Mill Life Remembered" through June 30 at the center, 1212 Smallman St. The photo exhibit illustrates Western Pennsylvania mill life just prior to the downturn of the steel industry. The international exhibit "Clash of Empires: The British, French and Indian War, 1754-1763" runs through April 15. Hours are 10 a.m. to 5 p.m. daily. Admission is $7.50 for adults, $6 for senior citizens older than 61, $5 for students with ID, $3.50 for children ages 6 to 18, and free for children younger than 6. Call 412-454-6000.<B>Carnegie Science Center</B>, One Allegheny Ave. next to Heinz Field on the North Side, hosts "Action! An Adventure in Moviemaking" through April 30. The science center is open from 10 a.m. to 7 p.m. Fridays and Saturdays and from 10 a.m. to 5 p.m. Sundays through Thursdays; closed holidays. Admission to the entire science center is $14 for adults and $10 for senior citizens age 62 and older and children 3 to 18. Parking is free. Call 412-237-3400.

<B>The Santa Trolley</B> rolls on through Jan. 16 at the Pennsylvania Trolley Museum, 1 Museum Road. "Trolleys and Toy Trains" will have departure times between 11 and 5 p.m. with the final train leaving at 4:15 p.m. Saturday and Sunday and Jan. 14, 15 and 16. The trolleys are decorated, and there is a large Lionel train layout. Admission is $6 for adults, $5 for senior citizens age 65 and older, $4 for children ages 3 to 15, and free for those age 2 and younger. Call 724-228-9256.