Aerial view of Cascais beaches and colourful rooftops of coastal town under bright sunlight with Sintra mountains in the background, Cascais, Portugal, Europe

Aerial drone view of Pena Palace, UNESCO World Heritage Site, a romanticist castle in the Sintra mountains, Portugal, Europe

Aerial panoramic view of Pena Palace, UNESCO World Heritage Site, a romanticist castle in the Sintra mountains, Portugal, Europe

View from the Moorish Castle to Pena Palace, Sintra, Portugal, Europe

The Moorish Castle seen from a natural lookout, Sintra, Portugal, Europe

The Moorish Castle above Sintra, Portugal, Europe

The Pena Palace, UNESCO World Heritage Site, seen from a natural lookout, Sintra, Portugal, Europe