Three UNESCO World Heritage Sites located in the United States are credited to the Pueblos: Mesa Verde National Park, Chaco Culture National Historical Park, and Taos Pueblo.The earthworks constructed by Native Americans of the Poverty Point culture in northeastern Louisiana have also been designated a UNESCO World Heritage site.The French established their own as well along the Mississippi River.Successful English settlement on the eastern coast of North America began with the Virginia Colony in 1607 at Jamestown and the Pilgrims' Plymouth Colony in 1620.The state of Alaska is in the northwest corner of North America, bordered by Canada to the east and across the Bering Strait from Russia to the west. territories are scattered about the Pacific Ocean and the Caribbean Sea, stretching across nine official time zones.The state of Hawaii is an archipelago in the mid-Pacific Ocean. The extremely diverse geography, climate, and wildlife of the United States make it one of the world's 17 megadiverse countries. The United States emerged from the thirteen British colonies established along the East Coast. For the landmass comprising North, Central and South America, see Americas.For other uses, see America (disambiguation), US (disambiguation), USA (disambiguation), USOA (disambiguation), and United States (disambiguation).