• Many people have heard an owl, but few have ever seen one. Now you can, during Mt. Cuba Center’s Owl Howl on Thursday, Jan. 13, from 5-7:30 p.m. The group will head out into the garden following a brief introductory lecture and listen for their unique calls. Dress for the weather. Class size is limited, so registration is required. The cost of the program is $19.

• On Sunday, Jan. 23, Andrew Senn — the music director at The First Presbyterian Church in Philadelphia and organist and pianist for Reform Congregation Keneseth Israel in Elkins Park — will perform at Longwood Gardens as part of Longwood’s Organ Series. Showtime is 3 p.m. in the ballroom. Attendance is included as part of the gardens’ admission.

• It’s the final few days of the season for the Brandywine Railroad at the Brandywine River Museum of Art. The annual display — featuring more than 1,000 pieces on 2,000 feet of O-gauge track — comes to an end this Sunday, Jan. 9. Timed admission information is available online.