Mauna Kea is not just a natural wonder but also a ... It dwarfs every volcano on Earth, painting a picture of the fierce volcanic activity that probably erupted billions of years ago.

Mauna Kea is an inactive volcano and the highest point in Hawaii at 13,803 ft (4,207.3m) above sea level. The BBC asked Maga supporters if they understood why Canadians might be annoyed by Trump ...