Take a day trip from Lisbon to Sintra, a UNESCO site, to explore Portugal's coastline and history.
Start with a coastal drive, passing Estoril and its notable casino. Visit Cascais, known for its beaches and lively streets, and nearby Guincho Beach, popular with surfers.
See Boca do Inferno, a dramatic ocean rock formation, and Cabo da Roca for stunning Atlantic views.
In Sintra, explore the historical center and try local pastries like *travesseiros* and *queijadas*.
Visit Pena Palace, a vibrant example of Romantic architecture, with its grand halls and gardens.