The tallest volcano in the solar system is so wide that from most places on its slopes, you would never see a dramatic summit rising ahead of you — Olympus Mons is broader than some countries, and its gentle flanks curve away with Mars long before the mountain looks like a mountain at all.

The tallest volcano in the solar system is so wide that from most places on its slopes, you would never see a dramatic summit rising ahead of you — Olympus Mons is broader than some countries, and its gentle flanks curve away with Mars long before the mountain looks like a mountain at all. | FLIP NEWS