Enjoy an evening of entertainment, skating, food, activities and fireworks. Dec. 31. $15-$25. Penn's Landing, Columbus Blvd. and Market St. 215.925.RINK. www.riverrink.com

First Annual Atomic Ball. Enjoy a 5-hour open bar, champagne toast, hors d'oeuvres, access to exhibits within the Franklin museum, and much more. Dec. 31, 9 p.m. – 2 a.m. $110 in advance. Franklin Institute, 222 N. 20th Street. nyephilly.com