This event is in the "Adults" group This event is in the "Seniors" group Movie Matinee Friday: National Treasure 1:00pm–3:30pm Adults, Seniors In-Person, Movie This event is in the "Adults" group This event is in the "Seniors" group Apr 10 2026 Fri Movie Matinee Friday: National Treasure 1:00pm–3:30pm In-Person, Movie Please note you are looking at an event that has already happened. Remaining seats Remaining waitlist seats Library Branch: Riverhead Free Library Room: Grand Room Age Group: Adults, Seniors Program Type: In-Person, Movie Event Details: Modern treasure hunters, led by archaeologist Ben Gates, search for a chest of riches rumored to have been stashed away by George Washington, Thomas Jefferson and Benjamin Franklin during the Revolutionary War.