Drone flying close to historic Pena Palace castle standing a top of a hill in Sintra mountains above town of Sintra, Portugal

castelo da pena unesco palace pena sintra palacio da pena seven wonders of portugal world heritage site portugal europe castle heritage place town of sintra hill lisbon portuguese museum ancient building aerial view culture park closeup destination european exterior city construction palacio nacional da pena sunset famous fortress historic historical landmark old view fairy tale sintra mountain range visit 19thcentury neogothic neorenaissance neoislamic colorful from above royal architecture