A perfect way to spend the Martin Luther King, Jr. holiday is at the African American Museum in Philadelphia, a treasure trove preserving Black history. In honor of Dr. King, the museum will host the MLK 2025 Celebration, four days of musical performances, discussions, family activities, and exhibits. Reduced admission all weekend, and free on King’s birthday Monday, January 20, from 10 a.m. EST to 5 p.m. EST. African American Museum in Philadelphia, 701 Arch St. 215-574-0380 or aampmuseum.org.