In Denia,near the El toro ( just visible in the picture ) there was a big property project being built, but it turned out to be an illegal building site, so half through the building, a stop ban was ordered by the court, and for years now this just stands empty, and would make for a great location

Now just frequented by the local youth as a little hang out I guess

How's this, a stack of cement bags that over the years have lost their bags from the elements and then solidified