What to do at all 12 Hartford Line and Valley Flyer stops between New Haven and Greenfield with kids: the Bushnell Park carousel, the Dr. Seuss sculpture garden, Holyoke’s merry-go-round, and the weekend loop up the Connecticut River.

What to do at all 12 Downeaster stops between Boston and Brunswick with kids: the Dairy Bar in the Durham depot, Dover’s children’s museum, the Old Orchard Beach pier, Portland’s museum with a train inside, and the end of the line in Brunswick.

What to do at all 26 Lake Shore Limited stops between Chicago, New York and Boston with kids: the Ohio stops you sleep through, Rochester’s museum of play, the split at Albany, and both ends of the train.

What to do at all 30 Vermonter stops between Washington and St. Albans with kids: the Northeast Corridor stops to ride through, then a carousel, a Seuss garden, a steam engine, a science museum and Ben and Jerry’s.

What to do at all 15 Ethan Allen Express stops between New York and Burlington with kids: the Hudson Valley stops to save for the Empire Service, Saratoga’s carousel, Rutland, the tunnel at Middlebury, and the lake at the end.

What to do at all 18 Adirondack stops between New York and Montreal with kids: which Hudson Valley stops to save for another train, where the lake is, the fort stop, the border, and the city at the end.

What to do at all 22 Maple Leaf stops between New York and Toronto with kids: the Hudson and upstate stops in brief, the Whirlpool Bridge into Canada, the customs line at Niagara Falls, and the six Ontario stops.

What to do at all 16 Empire Service stops between New York, Albany and Niagara Falls with kids: a river for the first 2.5 hours, the best day trips up the Hudson, and the two trains a day that cross the state to the falls.

What to do at all 17 Pennsylvanian stops between New York and Pittsburgh with kids: a nine-hour day train with a cafe car, the Horseshoe Curve on the left past Altoona, and the mountain stops worth a night.

What to do at all 21 Keystone Service stops between New York and Harrisburg with kids: a 70-minute ride from Philadelphia to Lancaster County, the stops worth getting off at, and the many that are commuter platforms.

What to do at all 14 Acela stops between Boston and Washington with kids: the fast train with assigned seats, from South Station’s clock to Union Station’s 46 soldiers, with Providence, Philadelphia and Baltimore in between.

What to do at all 55 Northeast Regional stops between Boston, Springfield, Washington and Virginia with kids: the children’s museums, the ferries at New London, the B&O roundhouse, Colonial Williamsburg and a battleship at the end, plus the suburban platforms to ride through.