"Here are to be found (...) the first "water staircases" (Scala dei Bollori, and long narrow basins, called water chains)" (AB Ev) – "The Villa d'Este water staircases are the first in a series of similar and ever more extraordinary inventions (...)" (Nomination file, p. 21)

Peterhof

Cascade above Queen's House

"The Gardens have 5 water cascades including the great marble cascade and Sawan Bhadoon." (wiki)
See en.wikipedia.org

At the Schlossgarten