Devils Island is one of the twenty-two Apostle Islands of northern Wisconsin (USA), and has also been known as Louisiana Island (Henry R. Schoolcraft's 1820 map), Barney and Lamborn's Island (Asaph Whittlesey's 1871 map), Brownstone Island, and Rabbit Island.. The island is located in western Lake Superior off the Bayfield Peninsula, is centered at approximately …

Devil's Lake State Park is a state park located in the Baraboo Range in eastern Sauk County, just south of Baraboo, Wisconsin.It is around thirty-five miles northwest of Madison, and is on the western edge of the last ice-sheet deposited during the Wisconsin glaciation. The state park encompasses 9,217 acres (3,730 ha), making it the largest in Wisconsin.

A sea cave, also known as a littoral cave, is a type of cave formed primarily by the wave action of the sea.The primary process involved is erosion. Sea caves are found throughout the world, actively forming along present coastlines and as relict sea caves on former coastlines. Some of the largest wave-cut caves in the world are found on the coast of Norway, but are now 100 feet …