Sintra is an enchanting town and region located just outside of Lisbon. It’s known for its stunning palaces, castles, and rich, green landscape – all of which make for a perfect day trip from the city. The concierge at the Palacio Ludovice arranged a full day tour for Charles and me through the tour operator, I Go Portugal. We were picked up at the hotel by our charming and quirky guide, Sonia, who packed us into her Audi and maneuvered…