The Neptune Grotto in Sanssouci Park was built between 1751 and 1757 as part of the planning of numerous water features. It is a unique monument from the time of Frederick the Great and an example of the fusion of architecture and nature in the 18th century. The design is by Georg Wenzeslaus von Knobelsdorff.
In its main appearance, the Neptune Grotto forms a portal. At the top of the grotto stands Neptune, the god of the sea, with his trident. The interior decoration of the grotto consists of shells, reed flowers, and crystals. The two side pillars of the grotto are each adorned with four stacked, shell-shaped marble basins.
Due to a lack of technical knowledge, the water features didn't work at that time. It wasn't until almost a hundred years later, after the construction of a pump house and with the help of steam power from the Borsig company, that they could be put into operation.
A comprehensive renovation of the grotto was completed in 2018.
Neptune Grotto in Sanssouci Park
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