I just completed a Door to several destinations in Midworld. It was built from found objects collected over several decades:
http://foundobjectdoors.com/beam-says-thankee.htm
The story of collecting the objects and designing the door from dreams is given here in the illustrated bio:
http://storytellerart.net/illustrated_stories.htm
Please email me with any pics of other Doors your are aware of.
All things serve the beam,
Arrowcatcher