Try the following early start at a Paris street market to buy a picnic; morning tour of the palace; stroll through the palace gardens to lunch beside the Grand Canal; siesta and tea in the gardens of the Petit Trianon; finally, wander back across the palace gardens for a last sunset view of the great chateau.
Try the following late start by tracing the steps of the Da Vinci code and become your own Robert Langdon, just don't buy a picnic at a Paris street market.