Plot: Host Kevin O'Connor and master carpenter Norm Abram open the show at the most visited destination in the Nation's capital—DC's newly restored Union Station. Back at the project house, restoration contractor Danny Palousek has begun work on the exterior brick, while inside, general contractor Mahyar Mahvi shows Kevin the progress—the building has been insulated with expanding foam insulation, wallboard is going up, the stairs are under construction, and the new windows are going in