We posted this back in spring, but in case you missed it then: How Curiosity will land on Mars, in 11 easy steps.
Plus: The Anatomy of Curiosity.
FJP: And remember, “We accurately guided this monster from 200 million miles away (that’s 7.6 million marathons). It requires better accuracy than an Olympic golfer teeing off in London and hitting a hole-in-one in Auckland, New Zealand. It will use a laser to blast rocks, a chemical nose to sniff out the potential for life, and hundreds of other feats of near-magic.”