There is nothing you cannot do in Dubai. From beautiful architecture to adventure sports, name it and you have it. Amazing restaurants, beautiful places, HUGE malls, shopping and what not! And well not to forget the tallest building Burj Khalifa!
Well and not to forget the food! Super tasty traditional Arabian sweets and name the food chain you have it there. These people have definitely spent tons to make such a wonderful tourist destination.
The Abu Dhabi Sheikh Zayed Mosque is pure wonder of architecture