No, you cannot view the actual exterior of the Pena Palace up close or access its famous colorful terraces without purchasing at least a "Park Ticket." While you can see the palace from distant viewpoints in the town of Sintra or from the neighboring Moorish Castle, the palace itself is situated deep within the gated Pena Park. To stand in the courtyard, walk along the bright red and yellow walls, or take those iconic Instagram photos on the terraces, you must pay the entry fee. The "Park Ticket" is a more affordable alternative to the "Palace and Park Ticket"; it grants you access to the entire 200-hectare forest, the exterior architecture, and the battlements, but excludes the interior staterooms. Many visitors actually prefer this option, as the interior often has long, slow-moving lines, whereas the exterior "Park" access allows you to enjoy the most visually stunning parts of the site at your own pace without a timed entry slot for the building itself.