Join the cast and crew of the Science Barge as they collect and count the smallest eels traveling from the salty waters of the Sargasso Sea to their home in the freshwater tributaries. EVERY SAT & SUN IN APRIL 4PM. This is a joint project of Groundwork Hudson Valley and the Hudson River Estuary Program. FREE. More info, call Bob Walters at 914.513.7354. The Barge is docked on the waterfront just north of the Yonkers Pier.