Shop World Market for top quality furniture, affordable home decor, imported rugs, curtains, unique gifts, food, wine and more - at the best values anywhere online. World Market Dallas TX locations, hours, phone number, map and driving directions. The Dallas Trade Mart opened in 1958 as the third of four buildings in the Dallas Market Center, the most complete wholesale marketplace in the world. It has been expanded five times since then, making the Trade Mart more than 1 million square feet. During the 1959 expansion the first practical use of the atrium was included.