Credit: A hamburger is ready to serve at Elevation Burger, in Potomac, Md., Wednesday, June 23, 2010. With a drive-through seemingly on every corner, you might think the market for burgers long ago reached saturation. But the fastest-growing restaurant chain in America last year was Five Guys, which specializes in double-pattied behemoths the size of a softball. (AP Photo/Jacquelyn Martin)
Va.-based Elevation Burger goes to Egypt
