 Furthermore, many notable neighborhoods began as streetcar suburbs, including the Heights and Sharpstown.Car culture is often celebrated by residents, especially during the annual Art Car Parade where many uniquely modified cars are paraded through the Heights neighborhood.Another car culture celebrated in Houston is the slab culture, usually found in Houston's inner city neighborhoods (including former Houston-area suburban communities, e.g., South Park, Sunnyside, Acres Homes, and enclaves in Missouri City).