One of my best day if not my best day ! was the one I had in Sintra at the Palacio Da Pena, it was an expensive day because everything has a high price in Sintra, restaurant, Palacio entrance, bus and train.
But it was worth it. I had an awesome day there.
Palacio Da Pena entry bridge
Sintra, Portugal
La vie est un voyage, appréciez la balade !