Who doesn't love pizza--especially when they can get it for free?  

Well, that's precisely what you can do on National Pizza Day, which just happens to be today. Here's a full list of places offering either free or discounted slices of what is so obviously the food that best defines Americans (despite originating in Italy): 

Alligator Lounge/Crocodile Lounge NYC: New Yorkers are in luck if they head to these bars in Brooklyn. A promotion offered every single day of the year, each drink purchased earns a raffle ticket for a free personal pizza. 

Big Mama's & Papa's Los Angeles: This pizza place has a great deal for you if today happens to be your birthday as well. If it's your birthday, get a free medium 13" one-topping pizza  

Dominos Pizza: Join Piece of the Pie Rewards and earn points on purchases, which can lead to a free pizza in the future. So if you've already been a part of the program, check your points because you may get a whole pie.  

Papa John's Pizza: Sign up for Papa Rewards and earn points on purchases, which can lead to a free pizza in the future. So if you've already been a part of the program, check your points because you may get a whole pie. 

Pilot Flying J: With this coupon, earn a free slice of PJ Fresh Pizza just for walking in the door 

Pizza Hut: If you were lucky enough to have tweeted #NationalPizzaHutDay and #Entry before 12 p.m. central time, you may have been one of the lucky few to receive one of 50 $10 card codes for discounted food. 

Sbarro: Get a free slice with any purchase when you join Slice Society 

Stevi B's: With a coupon, get a free Margherita Thin Crust pie  

Tags: National Pizza Day