Make sure you are good prepared for you travel.
Did you remember your passport? 
It is a good idea to make a checklist so you sure you are good prepaird for your travel, make sure you have a insurance for your travel you can get advice on insurance here they are normally very helpfull to answer questions.
If your traveling to vegas as some students do DON’T take a credit card with a lot of money on it, as you don’t want end up losing all your money. My advice is travel other places first, but if you absolutly want to travel to Leas Vegas you can get some guide to vegas city here and a other smaller guide is Vegas.me.