PalacIo de Cristal, Madrid - Spain - A Reflective Palace Of Rainbows, 2006 The Palacio de Cristal was originally built in the late in Madrid, Spain. In 2006 artist Kimsooja transformed it into this rainbow reflecting palace.
Casa Batllo (World Heritage Site) - One of 2 houses by Gaudí in Barcelona that can be toured. truly amazing and worth the visit. go in the mornings, before the site gets crowded with architecture students.
Puente Nuevo Arch bridge in Ronda, Spain The Puente Nuevo is the newest and largest of three bridges that span the chasm that carries the Guadalevín River and divides the city of Ronda, in southern Spain.