http://marsvr.io/
I'm not sure which part of this I'm most excited about. Getting to go back to Mars Desert Research Station in my home office anytime I like, or finally being able to show my family where I went on some of the grandest adventures of my lifetime.
I really hope they get as much of the terrain around the base as possible in the system. I've lived at MDRS over a month and have seen maybe one percent of it. I also want to finally see what they are doing with the dome I helped build.
Oh, and there's the actual Mars VR, too, but I haven't built anything there with my own hands... yet. ;)