2Mafra National Palace Library, Mafra, Portugal
The library of Mafra National Palace is a hidden gem, often described as one of the most beautiful libraries in the world. Completed in the 18th century, the Rococo-style library features marble floors, ornate bookshelves, and a ceiling adorned with frescoes. It houses a vast collection of rare books, including a significant number of incunabula. The library’s elegance and serene atmosphere make it a must-see for bibliophiles.
