You have to wonder - how did this happen?  A new 47-story skyscraper is almost complete in Spain, but the builders failed to include elevator access to the top half of the building.

Originally designed as a 20-story building - the Intempo - was changed to be a 47-story structure.  Somewhere along the way, the architects failed to include an elevator for the upper 27 stories.

How did no one notice?  Well, it turns out that people probably did - namely the construction workers - but morale has been so low that it's believed that they kept mum about the mistake, letting the developers make the discovery on  their own.