The Dallas Museum of Art hosts an impressive collection of art spanning the centuries. They have Greek and Roman collections, Asian and African Art well as many European classics. They also have rotating displays and contemporary collections. You could easily spend two days at the DMA even if you are not an 'art buff'. The DMA features free admission in the evenings on Thursdays (they are open till 9). Also they host some late night events along with Starbucks that go till midnight. For an added treat, take the trolley to Uptown for unique restaurants and shopping. It is also free.
more