Perhaps a long sea voyage, a few decades or more, with no access to communications, would suit. (religion.blogs.cnn.com)
I often tell clients to think of earthly life like an old - fashioned sea voyage. (mindbodygreen.com)
If Erlandson and his colleagues are right, it was a series of sea voyages and river crossings that brought our ancestors to alien lands, launching the greatest biological invasion of all time. (discovermagazine.com)