Vesuv von Wörlitz, Artificial volcano in Wörlitzer Park, Germany

The Vesuv von Wörlitz is an artificial mountain made of dark basalt and slag stones shaped to resemble a volcanic cone within the park landscape. Underground chambers and passages inside are linked to a water system that once produced simulated eruptions.

The structure was built between 1788 and 1794 after Prince Leopold III visited Mount Vesuvius in Naples and wanted to recreate that experience in his park. Architect Friedrich Wilhelm von Erdmannsdorff designed this replica to bring volcanic phenomena within reach of park visitors.

The artificial volcano reflects how Enlightenment-era thinkers wanted to understand nature through observation and reason rather than superstition. Visitors today experience how this constructed hill was meant to spark curiosity about geological forces and natural phenomena.

The artificial volcano stands on the rocky island Stein, surrounded by an artificial lake, in the Wörlitz Park. The island was restored from 1999 and reopened in September 2005, so paths and the interior may be closed during maintenance work. The park is reached on foot or by bike from Oranienbaum-Wörlitz.

The interior holds a network of passages, grottoes and chambers named by tradition, such as the Grotto of Night, whose symbolism still puzzles researchers. During the 1999–2005 restoration of the rocky island, the historical technology of the structure was investigated, and on 2–4 September 2005 an eruption was staged again, with pyrotechnicians following 18th-century specifications as closely as possible.