We rented a car for our time in Portugal. Since we were taking a road trip around Portugal, we drove from Lisbon to Sintra.
No matter the time of year, go as early as you can. Pena Palace especially gets crowded within an hour of opening, so you want to get there right when it opens.
It looks like a castle from a fairy tale but with more colors. As another group put it, “This place is an Instagrammer’s heaven.”
The architecture here is beautiful and ornate. The area is spread out, so make sure to see it all.