Reasons to visit:
National Parks in the South, Bryce, Arches, Canyonlands just to name a few. Think crazy landscapes and amazing photographic opportunities
Moab for climbing, mtn biking, rafting, kayaking.
Northern part of the state. Some of the best skiing in the world, and awesome mtn biking. Uinta mtns for remote wilderness.
Reasons not to come to Utah:
Beer the beer is not good enough to make the trip, go to San Diego for that.
Liberal Government. They don't want you drinking beer.