The paint has helped researchers identify details ... colors weren’t the only paints that researchers found in the temple. The walls also sport dipinti, or graffiti painted in ink.

The modern American visionary upended tradition with this Chicago-area church, whose imposing exterior houses an airy, ...

Their traces can only be seen today as holes in the walls ... Egyptian temples, painting is not preserved at all, or only in ...

Now known as the "Dogtown Collection," this assembly of graffiti on canvas prints numbers into the thousands - by works of some of the most influential artists of the last five decades.