San Ildefonso in Spain is a charming town renowned for its stunning Royal Palace and picturesque gardens. Nestled in the Sierra de Guadarrama mountains, this historic destination offers a blend of natural beauty and cultural heritage. Visitors can explore the lavish Baroque architecture, relax in the tranquil surroundings of the gardens, and savor delicious local cuisine. San Ildefonso is a must-visit for those seeking a perfect combination of history and scenic landscapes.