Geography of USA - Explore America's Geography and Natural Wonders.

Why is Lake Superior Called an Inland Sea?

Lake Superior is officially a freshwater lake, but its enormous size and sea-like conditions have earned it comparisons to an

Lake Superior is so vast that its size is difficult to appreciate when it is compared only with other lakes.

Lake Superior is so enormous that it is often compared with countries rather than other lakes. As the largest freshwater

Volcanoes are usually associated with the edges of tectonic plates, where enormous slabs of Earth’s crust collide, separate, or slide

Mauna Loa is the largest active volcano on Earth and one of the most closely monitored volcanoes in the Hawaiian

Mauna Kea is the highest volcano on the Island of Hawai‘i and one of the most distinctive volcanic landscapes in

Mount Spurr is one of Alaska’s most prominent active volcanoes, rising above the rugged landscape west of Anchorage. Its large

Mount Adams is one of the largest volcanoes in Washington’s Cascade Range, rising to 12,277 feet above sea level. Its

Mount Baker is one of the most prominent volcanoes in Washington’s North Cascades, rising to 10,781 feet above sea level.

Mount Hood is one of the most prominent volcanoes in Oregon, rising 11,240 feet above the Cascade Range. Although it

Mount Shasta is one of the most prominent volcanoes in the Cascade Range, rising 14,163 feet above Northern California. Although