Everest might be the tallest mountain on Earth ... 12 large volcanoes that are up to 100 times larger than any volcanoes on Earth. Like the volcanoes that formed the Hawaiian islands, Olympus ...

But here's a shocker: Mauna Kea in Hawaii takes the crown as the tallest volcano on Earth. Measuring over 10,200 meters from ...

Mauna Kea is actually an inactive volcano on the big island of Hawaii ... then you'll have technically scaled the tallest mountain on Earth. You just majorly cheated by starting more than half ...