Lay a world map over 3 canvas, cut into 3 pieces. Coat each canvas with Mod Podge and wrap the maps around them like presents. Let dry and hang on the wall about 2" away from each other. Then add pins to all the places you've been.
A $20 IKEA plain white coffee table...pick your wallpaper print, spray adhesive to get it to stick...apply mod podge and spray shellac over the wallpaper as a protective coating...and lastly, add decorative nails as a border...and BAM.