A graceful combination of eccentric and traditional architecture. Portland, Oregon, is a city widely known for its civic planning, preservation of historic buildings, attractiveness, and inviting atmosphere. Within the five-mile downtown district can be found skyscrapers, nineteenth-century cast-iron-front buildings, a riverfront park, old brick warehouses and breweries still in operation, a train station with a 150-foot clock tower, fivebridges, and a rich assortment of museums, government buildings, and shops.