The Knights of Columbus Museum, at 1 State Street in New Haven, has a new Christmas exhibit, Christmas in Poland. The show features more than 100 items, some from the museum’s own collection. Highlights include: Szopki from Kraków, hand carved wooden creches and traditional Polish clothing. The museum is also featuring its annual Christmas Tree Festival. Open 10-5 daily through February 3. Free admission & parking. More at 203-865-0400 or kofcmuseum.org.