In 2026, Sintra remains celebrated as the "Glorious Eden" of Portugal, a title famously bestowed upon it by the poet Lord Byron. It is primarily known as a UNESCO World Heritage site that serves as the ultimate expression of 19th-century European Romanticism. The town is a concentrated collection of mist-shrouded forests, mystical initiation wells, and architectural marvels that look like they were pulled from a fairy tale. Its most iconic landmark, the Pena Palace, is known globally for its vibrant red and yellow facades and eclectic mix of Neo-Gothic, Neo-Manueline, and Islamic architectural styles. Historically, Sintra served as the summer retreat for the Portuguese royalty and aristocracy, who built extravagant estates like Quinta da Regaleira and the Monserrate Palace. Beyond the architecture, it is known for its unique microclimate that often keeps it cool and foggy while Lisbon is scorching, as well as its local delicacies like Travesseiros (puff pastries) and Queijadas (cheese tarts).