Pena Palace in Sintra, Portugal

Perched atop the rugged cliffs of the Sintra Mountains, this Romanticist masterpiece stands out against the clear blue sky. Its eclectic architecture features vibrant colors like yellow, orange, red, and blue, along with intricate details that showcase Moorish Revival influences. Visitors meander through its ornate battlements overlooking lush gardens below, while others capture memories from the viewpoint at the palace's edge.