When you think of the tallest mountains, instinctively, Mount Everest comes to mind. But here's a shocker: Mauna Kea in Hawaii takes the crown as the tallest volcano on Earth. Measuring over ...

For those not familiar with Mauna Kea – a dormant volcano – it is the island’s highest mountain, at 4,207 metres (13,802ft), and suffers from minimal light pollution – both of which help ...

After all, the state is home to the tallest mountain in the world (Mauna Kea, which surpasses Mount Everest when measured from its submarine base), the world's highest sea cliffs (the Kalaupapa ...