Tutorials and ideas on how to create magical living structures such as grape tunnel, bean teepee, grass sofa, willow dome, living fence, and much more! - A Piece Of Rainbow http://www.apieceofrainbow.com/10-amazing-living-structures/
In the context of an industrial exterior like this one, a natural door can have an even bolder effect. This one has a textural exterior to stand in contrast with the concrete and steel that surrounds it.
Carey Ezell Landscape Design. Granite terrace and steps with field stone retaining wall and upper lawn surrounded by Frasier firs, Arborvitae 'Dark American', Rhododendron, variegated dogwood, holly, boxwood, and siberian cypress. Wall planted with Lady's mantle, boxwood and Japanese fern grass