We can't visit Mars (yet), but our own planet's unique terrain presents plenty of landscapes with an out-of-this-world feel. Here, iReporters share some of their otherworldly experiences and photos, which cover a lot of ground on Earth.
CNN.com - Top Stories, CNN
Mon, 08/13/2012 - 4:58am
We can't visit Mars (yet), but our own planet's unique terrain presents plenty of landscapes with an out-of-this-world feel. Here, iReporters share some of their otherworldly experiences and photos, which cover a lot of ground on Earth.