The main landmarks of the city include the Auditorio de Tenerife (''Auditorium of Tenerife''), the Torres de Santa Cruz (''Santa Cruz Towers''), the Plaza de España (''Spain Square'') and the Iglesia de la Concepción (''Church of the Immaculate Conception''). Santa Cruz de Tenerife hosts the first headquarters of the Center UNESCO in the Canary Islands. In recent years the city of Santa Cruz de Tenerife has seen the construction of a significant number of modern structures and the city's skyline is the sixth in height across the country, behind Madrid, Benidorm, Barcelona, Valencia and Bilbao.