See two of portugals most charming small towns in style during this full day tour of sintra and cascais in a renault 4l classic convertible head to the charming coasting village of cascais a popular vacation spot for portuguese elite and visit the boca do inferno and city center stand on the westernmost point of the european mainland at cabo da roca and wander along guincho beach then travel to the unesco listed world heritage site of sintra and see its famous pena palace and moorish castl