Yes, you can absolutely experience the beauty of the Pena Palace in Sintra without purchasing the "Interior" ticket, and many 2026 travelers actually prefer this option. By purchasing a "Park Only" ticket (roughly half the price of a full ticket), you gain access to the extensive 200-hectare Pena Park and, most importantly, the palace terraces and exterior walls. From the terraces, you can see the vibrant red and yellow towers, the intricate "Triton" gateway, and the eclectic Romanticist architecture up close, which provides the best photo opportunities. The park also contains hidden viewpoints like the "Queen's Throne" and the "High Cross" (Cruz Alta), which offer breathtaking panoramic views of the palace from a distance. Because the interior of the palace is often subject to extremely long, slow-moving queues and "timed entry" stress, the exterior-only visit allows for a more relaxed and budget-friendly exploration of this UNESCO World Heritage site.