The Palacio de Cristal or Crystal Palace is a large glass building in Madrid, Spain. It is located in the Retiro Park on the Paseo Duque de Fernán Nuñez. The palace was built in 1887 to keep exotic plants from the Philippines. It is made of glass and steel. Later in 1924 plastic and rubber were added to it.
Crystal Palace (Madrid) Facts for Kids. Kiddle Encyclopedia.