An exedra is a semicircular architectural recess or platform, sometimes crowned by a semi-dome, and either set into a building's façade or free-standing.
Source: WikipediaThe Bishop's Chapel is a chapel, located in Madrid, Spain, which was built in the 16th century. It is named after Gutierre de Vargas Carvajal, Bishop of Plasencia, who is buried there.
Source: WikipediaThe Tornado is an inverted roller coaster at the Parque de Atracciones de Madrid in Casa de Campo, Madrid, Spain. Manufactured by Intamin, it opened on May 23, 1999.
Source: Wikipedia