The Grotto of Thetis is an artificial grotto located in the Petit Trianon area of the Palace of Versailles. Built between 1782 and 1783, it was designed by Hubert Robert as a representation of classical antiquity, featuring a large circular pool surrounded by arches, sculptures, and statues depicting scenes from Greek mythology. At its center stands an enormous statue of Thetis – the mother goddess who gave birth to Achilles – holding a trident and standing atop two sea horses. This remarkable structure has been used as a backdrop for many royal events over the centuries, including Louis XVI’s coronation ball in 1775. Today it remains one of Versailles’ most recognizable features, offering visitors a glimpse into France’s rich cultural history.