Nunavut comprises a major portion of Northern Canada, and most of the Canadian Arctic Archipelago. Its vast territory makes it the fifth-largest country subdivision in the world, as well as the largest in North America.
Lake Powell is a large reservoir on the Colorado River, extending through northern Arizona and southern Utah within Glen Canyon National Recreation Area. Near the Arizona community of Page, its blue water winds through a maze of red-rock canyons, mesas, cliffs, and narrow side channels. At full pool, the lake stretches about 186 miles and has nearly 2,000 miles of shoreline, although water levels vary considerably. Created by Glen Canyon Dam, Lake Powell is one of the largest man-made lakes in N
Maui, both second youngest and second largest of the Hawaiian Islands, is home to the world's largest dormant volcano, Haleakala, meaning "House of the Sun." Last erupting about 200 years ago, it makes up the eastern end of the island. Maui was formed by volcanic activity from Haleakala on the east and the West Maui Mountains to the west. The connecting isthmus between the two spots was formed from joining lava from both and gives Maui its nickname, the Valley Isle.