Ascalon Explorer 175/177
have you done all jumping puzzles or explorer achievements in ascalon?
Use the lists from this site: http://wiki.guildwars2.com/wiki/User:Bluestone/Explorer
Go to each map and verify you have every one of the places on that map.
Use the lists from this site: http://wiki.guildwars2.com/wiki/User:Bluestone/Explorer
Go to each map and verify you have every one of the places on that map.
This right here. ^
This is the same resource I used myself.
Just remember, explorer achievements are for the areas, not points of interest, vistas or waypoints. Those are for world completion.