Mentioned by SmarterTravel
The Best Cheap Eats in Las Vegas
"In-N-Out Burger has a cult following of devotees obsessed with the chain’s perfectly grilled burgers and oh-so-satisfying fries. These fans will be happy to know that the family-owned company has five locations in Las Vegas, and that they’re all open until at least 1:00 a.m. The simple, unchanging menu offers the aforementioned burgers and fries, as well as grilled cheese and shakes made from real ice cream."