I noticed Spoonflower is having a map-design challenge next month. Spoonflower is a site where users upload art to be printed on fabric or buy other user's prints for their own projects. They have design challenges every week, but the one closing Tuesday August 1st is "Illustrated maps" so I thought I would mention it here. The prize is only spoonflower credit, but the credit could be used to print a map out on fabric to make a hanging tapestry, or on wallpaper, gift wrap, etc.

https://www.spoonflower.com/contests/illustrated-maps