Gorgona Agricultural Penal Colony also home to a vegetable garden and olive tree grove where olive oil is produced, as well as livestock facilities which high quality cheese, chicken and pork is produced. The island is named after the Gorgons of Greek mythology which were three sisters, Medusa, Stheno and Euryale, who had hair made of venomous snakes that could turn any observer into stone. Since the 4th century AD, Gorgona has been home to various monastic orders including the Benedictines until it finally came under the influence of the Carthusians in the 14th century. Eventually the Gorgona Abbey was abandoned in 1425 though
Three Sisters (Oregon) Geological Survey improved monitoring in the immediate area. The Three Sisters are at the boundary of Lane and Deschutes counties and the Willamette and Deschutes national forests in the U.S. state of Oregon, about south of the nearest town of Sisters. The three peaks are the third-, fourth-, and fifth-highest in Oregon, and contain 16 named glaciers. Their ice volume totals . The Sisters were named Faith, Hope and Charity by early settlers, but are now known as North Sister, Middle Sister and South Sister, respectively. The Three Sisters Wilderness covers an area of , making it the second-largest wilderness