After Dallas was founded in the 1840s, it rose to prominence as an oil and cotton powerhouse. These days, it is the home of the 7-Eleven, the microchip, and the long-running, self-titled soap opera. The city prospers as a center for industries including telecommunications, medical research, banking, and the old mainstays of energy and transportation. During this walking tour, you'll get a sense for the city center's long and complex history.