If you are going to New York or live nearby, the touring Titanic Exhibitionis at the Discovery Times Square Exposition. The exhibition has gotten positive reviews in the New York Times and worth the trip. Ticket info:
Child $17.50 (child 4-12), Adult $19.50, Senior $18.50
Group tickets are also available by calling 866-9-NYCTIX (866-692-2849). TSX is open seven days a week from 10am to 10pm.
Tickets can purchased online.