Our family (2 adults and 2 teenage sons) are visiting Paris in late March. We are planning to see: Notre Dame; Deportation Memorial; Louvre; Sacre Couer/Montmarte; Arc de Triomphe; Orsay; and a day trip to Versailles (we also want to do a Paris Walk, see one of the street markets on Saturday morning and leave a little time for just some shopping or cafe sitting!)
We arrive on a Thursday morning and stay to the Monday morning (early departure.) so we have basically 3 1/2 days. We will be there on the first Sunday of the month (which I did read is free admission to museums) but cannot decide if to invest in a museum pass (2 day or 4 day) to avoid the lines.
Can anyone give me any advice as to whether or not it is worth investing in a museum pass?