About a 4 hour drive from Salt Lake City, Moab is a world renowned mountain bike destination that was once called the "Uranium Capital of the World" in the 1950’s. But in the last decade or so it has become an outdoor mecca with seemingly endless rock climbing, 4x4'ing, hiking, road cycling, rafting & of course mountain biking.
We recently spent 4 days there riding most of the famous MTB trails, swimming in creeks & eating at the famous restaurants. I can say two things; the scenery is unreal which makes you feel like you are in dinosaur times & if you like riding rocks, this is the place. The nearby Arches & Canyonlands national parks draw most of the crowds but the mountain bike trail network is massive & full of endless rocky rocks piled on top of rock.
I now know why this place has the reputation it does. There is no shortage of fun to be had in Moab. Google it, plan it out and go have fun!