Acueducto de Segovia The roman Aqueduct of Segovia,Spain- This picture does not do it justice, these Aqueducts were one of the most amazing things I have ever seen, I will never forget standing right there as long as I live!
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.
From the Bridges board/category. [Bridge in Parque Nacional Fragas del Eume, Galicia, Spain (by RTH FOTOS). [Bridges have lots of "lines." Also, this bridge reminds me of train tracks that have lots of lines.