Honshu is the largest island and the Japanese core area which includes Tokyo and Osaka-Kyoto. Honshu is the world's seventh largest island. Shikoku and Kyushu are in the south (Kyushu is in the extreme southwest and Shikoku is to its east).Besides these four islands, Japan includes 2,000 additional smaller islands.hikoku and Kyushu are in the south (Kyushu is in the extreme southwest and Shikoku is to its east). Besides these four islands, Japan includes 2,000 additional smaller islands.
Castle Rock Lake. Castle Rock Lake is a man-made lake located in central Wisconsin, in Adams County and Juneau County. It connects to Petenwell Lake. It covers 16,640 acres (67.3 km2) and reaches 30 feet (9.1 m) deep. Construction of the Castle Rock Dam was started in 1947 and completed 4 years later.
Rock County, Wisconsin. Rock County is a county in the U.S. state of Wisconsin. As of the 2010 census, the population was 160,331. Its county seat is Janesville. Rock County comprises the Janesville-Beloit, WI Metropolitan Statistical Area and is included in the Madison-Janesville-Beloit, WI Combined Statistical Area.