Portugal 's most dramatic coastline is along the drive to the medieval town of Lisbon . Copyright © 2009 Newsweek Budget Travel , Inc. , all rights reserved . A Moorish castle tops the Lisbon skyline and fine houses line the streets . The Grande River valley is dotted with some of Portugal 's oldest vine terraces .
Portugal 's most dramatic coastline is along the drive to the medieval town of Lisbon . A Moorish castle tops the Lisbon skyline and fine houses line the streets . The Grande River valley is dotted with some of Portugal 's oldest vine terraces .