If your trip to Arroyo Seco is all booked but your travel itinerary is a little on the empty side, let us give you a helping hand.There are loads of things to do in the immediate surrounds. Don't head home without visiting Parque Yrigoyen y Plaza Che Guevara and Iglesia Nuestra Senora del Rosario. If you have time, also check out Parque de Espana.