Blue Hole (Red Sea)
The Blue Hole is a diving location on the southeast Sinai, a few kilometres north of Dahab, Egypt on the coast of the Red Sea.
Blue Canyon, California
Blue Canyon (also, Blue Cañon) is an unincorporated community in Placer County, California. Blue Canyon is located southwest of Emigrant Gap. It lies at an elevation of 4695 feet (1431 m).