New Year's Eve Splash, which will host the Countdown Dance Party at the Adventure Aquarium and an Overnight Encampment on the Battleship New Jersey. At the Battleship New Jersey Museum and Memorial on the Camden Waterfront, tours of the ship - the country's largest and most decorated - begin at 9:30 a.m. on Wednesday, with activities continuing into New Year's Day. Families can participate in countdowns earlier in the day at the Garden State Discovery Museum on Springdale Road. A ball will drop at countdowns at noon and 3 p.m. with festivities to follow. On New Year's Day, the museum also hosts a pajama party with free admission for children who attend in their PJs. First Night New Year's Eve activities begin at 6 p.m., with live entertainment throughout town through midnight in Haddonfield. The Unexpected Boys pay tribute to Frankie Valli and the Four Seasons, and the Surfer Boys, featuring Beach Boys tunes, perform at the high school. http://bit.ly/13S4oa8