FareUpThere - Earn rewards for your feedback on flights
Mapiful - Create & order custom printed maps of your favorite places
RoadGoat - Map where you've traveled. Get matched with best places to go next!
TiltMaps - Create map posters of your favorite places & memories.
Skyscanner - Skyscanner.com compares over 1000 airlines to find you the cheapest airfares, fast.
Craft & Oak - Beautiful, minimalistic custom map posters