The Palace of Pena
Besides being one of the most popular tourist attractions in Portugal, the palace is also a UNESCO World Heritage Site and one of the Seven Wonders of Portugal. Pena Palace is easily accessible from Lisbon via car or rail, and it only takes a quick 45 minute journey. There are guided tours and audio tours available which should take about an hour and a half. While visiting the Pena Palace, don’t miss the gardens found around the castle, especially in the spring and summer!