In the second half of the 17th century, Ujazdów became the property of Grand Crown Marshal Stanisław Herakliusz Lubomirski. He was the first to call attention to the thickly wooded area of a former animal park stretching along the foot of Ujazdów Castle where he built two garden pavilions. The first pavilion was a hermitage and the other originally contained an ornate bath chamber which first gave its name to the building and eventually to the entire garden. The original baths designed by the renowned architect Tylman van Gameren in the Baroque style, are contained to this day within the walls of the Palace on the Isle. In the first half of the 18th century, Ujazdów was leased to King Augustus II the Strong, during whose reign a regular waterway known as the Piaseczno Canal was built.