With SpaceX declaring that they will land a Dragon capsule on Mars in 2018, and NASA pledging to send astronauts there in the 2030s, Martian colonies are seeming more and more like a reality with every passing day. Sure, there is still a mountain of hurdles for researchers to overcome before we're sipping our morning coffee on the red planet, but nowadays the idea of Mars coffee isn't all that foreign--it's the future. To celebrate that, here are some of our favorite pictures of Mars from over the years, which will hopefully provide us with a preview of what our backyards will look like one day (fingers crossed).