Will be flying to Las Vegas from NY. We will have 8 days total. Was looking to do Grand Canyon, Las Vegas and Hoover Dam. Anyone have any ideas on this trip. We will be traveling with 2 children. Any spots that are must sees or any info at all would be greatly appreciated. We have never taken a trip like this and want to get the most out of it. Interestingly we have done some extensive traveling but have never seen the US except the east coast.