The Almudena Cathedral, also known as the Cathedral of Saint Mary the Royal of the Almudena, is a Catholic cathedral located in Madrid, Spain. Construction began way back in 1883 but didn't wrap up until over a century later in 1993 when it was finally consecrated by Pope John Paul II. Situated across from the Royal Palace, this stunning cathedral boasts a mix of Neoclassical, Neo-Gothic, and Neo-Romanesque styles that make it a must-see for visitors exploring the regal surroundings of Madrid.