Grand Cascade at Peterhof Palace is among the world’s most famous and opulent water fountains. This architectural masterpiece was first activated in 1721 and inaugurated in 1723. Water flows down two sets of seven staircases decorated with gilded sculptures. The nine vertical sprays of the Basket Fountain on the right partially conceal the Large Grotto. This houses the fountain’s ingenious hydraulic system and pipes. Next to it are the arches of the Small or Lower Grotto. This was an entertainment chamber for Peter the Great.