A new nonalcoholic bar, Nostalgia Room, has opened in Lawrence, offering a space where sobriety and socializing can coexist. The bar is one of a few in the country to forgo serving alcohol, instead focusing on alternative drink options. It appears to be part of a larger trend of sober bars and nonalcoholic establishments, with some outlets highlighting its unique approach to bar craft and others noting its inclusion among a growing list of similar venues nationwide.