Olympus Mons, Equatorial Ridge, and other tallest mountains in the solar system

Olympus Mons, Mars’ immense shield volcano, towers 21 kilometers above its surface, dwarfing Earth’s Mount Everest. Covering an area akin to Italy, its size stems from continuous lava flows over millions of years due to Mars’ lack of tectonic plates. Dormant for 25 million years, it remains a prominent feature visible from space.