Olympus Mons

Fact file:

-It is an extinct shield volcano, result of lava flowing out over a long period

-It is much wider than it is tall

-The volcano is surrounded by a region known as the Olympus Mons aureole

-The Hawaiian islands are examples of similar shield volcanoes only on a smaller scale.  this is probably due to that mars do not have tectonic plates

-The immediate land surrounding Olympus Mons is 2km deep

-Olympus Mons is so big a person standing on mars wouldn't be able to see the whole mountain. the only way to view it is from satellites.

-The top of Olympus Mons is above martin atmosphere, meaning if you stood on top of the mountain, you would be standing in space

Photos:

This is a close-up photograph of the western flank of the Olympus Mons.

Map of Mars