John Curran's "Tracks" may look like another version of "Eat, Pray, Love," the 2010 hit based on Elizabeth Gilbert's memoir about self-discovery through solo travel. In "Tracks," Mia Wasikowska plays Robyn Davidson, who walked 1,700 miles across the Australian Outback in 1977 -- accompanied only by camels and a dog -- and later wrote a best-seller about her journey.