Red Planet -

: Mars is home to Olympus Mons , the tallest volcano in the solar system. At roughly 17 miles high, it is three times taller than Mount Everest and about the size of the state of Arizona.

Here are some of the most mind-blowing facts about our potential future home: Red Planet

Whether it's the search for ancient microbial life or the dream of building the first Martian city , Mars continues to be our greatest cosmic frontier. : Mars is home to Olympus Mons ,