The Valles Marineris
The Valles Marineris is a system of canyons that runs along the surface of Mars, over 4,000 km long and 200 km wide. This amazing feature is nearly 10 times longer than the Grand Canyon on Earth.
Olympus Mons
Standing tall as the largest volcano in the entire solar system, Olympus Mons towers at about 13.6 miles high, nearly three times the height of Mount Everest!
