In 1826, after yet another terrible flood that is overflowing the river Aniene, dragging away almost all dwellings in the oldest part of
Tivoli, Pope Gregory XVI deflected order the course of creating, after a 'bold gallery, a magnificent waterfall.
It was decided to use the old river bed and the steep walls that create the greenhouse for a fantastic walk. In a kind of great beauty, between limestone formations, caves, gorges and archaeological remains, is created in
Tivoli Park Villa Gregoriana. The park is located in the archaeological area of
Tivoli, already described by Roman historian Pliny the Younger, so there are archaeological remains, and among all, the Temple of Vesta and the Temple of the Sibyl. Top 800, when it spread throughout Europe's love for classical, many artists came to this area to portray the classic sisseminati remains in the wilderness, but due to the presence of numerous chasms, known as "Tiburtina" Many artists paid with their lives for fashion and true love for classical, slipping and falling in the valley below. Which were excavated in several steps and along the steep ridges. The Pope had a position outside and inside, which used to observe and admire the spectacle of the opening of the locks and the water flowed and came roaring along the course made a detour to his order.