Built into the nooks and crannies that are missing bricks, open mortar joints, and other hidden crevices are these Secret Worlds by Helen Nodding. That's one secret world, entitled Hideaway, pictured up above. Don't see anything special? Look closer...

...closer still...

A tiny village is revealed in the deteriorated mortar joints of the wall. Look even closer and see a "bridge" over a gaping canyon:

See other enchanting work by Helen Nodding, including more Secret Worlds, at Stories From Space. See more Apartment Therapy on Helen Nodding at How To: Paint Moss Designs in Your Garden.