What is north of 66.5'N?

North of 66.5°N latitude lies the Arctic region, which includes parts of Alaska, Canada, Greenland, and Russia. This area is characterized by extreme cold, polar climates, and ice-covered landscapes. It is also home to unique wildlife adapted to harsh conditions, such as polar bears and seals. The Arctic Circle, defined by this latitude, marks the point where the sun does not set during the summer solstice and does not rise during the winter solstice.