Jeff Koons' "Tulips" sits on the terrace of the Guggenheim. It can be seen from the outside but if you want to take a closer shot of it, you need to pay the museum fee.
We all know about the Guggenheim and Maman the giant spider, and even the beautiful bridges of Bilbao. But apart from those, there are more artful details around the city. [...See more photos here!]