Fogo de Chao is worth to visit. Try and visit the restaurant. Judge it by yourself, I am driving a cab and I always seen a crowd specially during week ends. It means the quality of food and the ambiance looks great.
If you need a ride I am very familiar with the area
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It's a chain restaurant so there is nothing particular to Dallas that makes this restaurant unique (although it's a really good restaurant). Go to Chamberlains Steak House - it's incredible.