History of the Palace of Versailles czar Peter the Great stayed at the Grand Trianon. His time at Versailles was used to observe and study the palace and gardens, which he later used as a source of inspiration when he built Peterhof on the Bay of Finland, west of Saint Petersburg. During the reign of Louis XV, Versailles underwent transformation but not on the scale that had been seen during his predecessor's reign. When Louis XV and the court returned to Versailles in 1722, the first project was the completion of the Salon d'Hercule, which had been begun during the last years of Louis XIV's reign
Palace of Versailles Marly— the Machine de Marly that fed the fountains— was possibly the biggest mechanical system of its time. The water came in from afar on monumental stone aqueducts which have long ago fallen into disrepair or been torn down. Some aqueducts, such as the unfinished Canal de l'Eure, which passes through the gardens of the Château de Maintenon, were never completed for want of resources or due to the exigencies of war. Despite enormous investment in canals and machinery for hoisting water, Versailles never had a sufficient water supply for its hundreds of fountains. When the King promenaded in the