The Pena Palace, or Palácio da Pena in Portuguese, is a magnificent and colorful castle located in the picturesque town of Sintra, near Lisbon, Portugal. Perched atop a hill in the Sintra Mountains, the Pena Palace is one of Portugal's most iconic and visited landmarks, renowned for its romantic architecture, vibrant colors, and breathtaking panoramic views of the surrounding countryside and Atlantic Ocean.

The Pena Palace was built in the 19th century by King Ferdinand II, who was inspired by the Romanticism movement and sought to create a whimsical and extravagant summer residence that would reflect his artistic vision and personal tastes. Designed by the German architect Baron Wilhelm Ludwig von Eschwege, the palace combines various architectural styles, including Romanticism, Neo-Gothic, Neo-Manueline, and Neo-Islamic, resulting in a unique and eclectic ensemble that resembles a fairy-tale castle straight out of a storybook.

The exterior of the Pena Palace is adorned with an array of decorative elements, intricate carvings, and ornate details, with its vibrant red, yellow, and blue facades, elaborate turrets, and whimsical towers creating a striking and fantastical appearance that stands in stark contrast to the surrounding greenery and natural landscapes. The palace's interior is equally impressive, with opulent and lavishly decorated rooms that feature exquisite furniture, magnificent chandeliers, intricate tapestries, and priceless artworks that reflect the grandeur and splendor of the Portuguese royal court during the 19th century.

Surrounding the Pena Palace is the stunning Park of Pena, a vast and picturesque landscape garden that covers over 200 hectares and boasts a diverse collection of exotic plants, rare trees, serene lakes, and tranquil pathways. Designed by King Ferdinand II, the park offers visitors the opportunity to explore its scenic gardens, discover hidden trails, and enjoy panoramic views of the palace and the Sintra Mountains from various viewpoints and lookout points scattered throughout the grounds.

Today, the Pena Palace and Park of Pena are open to the public as a museum and cultural heritage site, allowing visitors to explore and admire the palace's unique architecture, lavish interiors, and beautiful gardens. Guided tours are available to provide insights into the history, design, and significance of the palace, as well as the fascinating life and achievements of King Ferdinand II, who played a pivotal role in the development and promotion of Sintra as a popular tourist destination.