Take a tour of Pena Palace in Sintra, Portugal – part of the World’s Greatest Attractions travel video series by GeoBeats. 1. Built in 1854, Portugal’s Pena Palace stands on a hill above the town of Sintra. 2. Having won the award for "Cultural landscape" by UNESCO world Heritage, this Romanticist architecture is one of the best in Europe. 3. The palace overlooks most of metropolitan Lisbon. 4. It was built on the grounds of a monastery often visited by Spanish royals. 5. Part of the old convent has been restored, and stands alongside the castle. 6. Pena Palace has been a national monument since 1910 and was converted into a museum. 7. Outside the palace, a large and diverse park offers a stunning glimpse of nature.