Create a set for yourself and another for your travel companions as an artful memento of your trip.
Place map on a cutting mat, printed side down, then place cork coaster on top.
Cut out circles from map by tracing coaster with craft knife.
Use brush to apply glue sealant to one side of coaster, covering completely. Adhere back of map circle to coaster, smoothing to remove bubbles.
Brush top and sides of coaster with a thin layer of glue sealant, and let dry. Repeat to make a set.