This guide belongs to Dulfy. All credit to her, you can visit her website for the original guide: dulfy.net
GW2 Dwarven Remnants achievements guide with locations of all the Lost Dwarven Chests in Desert Highlands.
This achievement rewards 5 AP and requires you to find 25 Lost Dwarven Chests on the map, which can be looted daily for Trade Contracts and unidentified gear. Two of the Dwarven chests (17 and 18) requires jackal shifting sands mastery to reach.