Traveler

None of the DLC areas are required for the achievement; neither are most random encounters or any of the origin locations that you cannot return to.

Ostagar

* Korcari Wilds * Flemth's Hut * Tower of Ishal

Lothering

* Dane's Refuge (Tavern) * Lothering Chantry

Party Camp Redcliffe

* Redcliffe Village o Blacksmith o Tavern o Dwyn's Home o Kaitleyn's Home o Kaitleyn's Home (second floor) o General Store o Chantry o Windmill * Redcliffe Castle * Redcliffe Dungeons * Fade (you have to decide to save Connor to visit here, this can be missed)

Lake Calenhad Docks

* Spoiled Princess Tavern

Circle Tower

* Pentagon portion of the Fade puzzle * Outer portion of the Fade puzzle (This is optional and can be missed. This is where your companions will be.) * Every floor on the tower.

Haven

* The Dragon's Lair (aka Wyrmling Lair) * Ruined Temple * House near the entrance of the town. * General Store


 * 1) Frostback Mountains

* Orzammar * Cairidin's Cross * Ortan Thaig * The Dead Trenches * Anvil of the Void * Aeducan Thaig (This one can be missed. It'll be available when you enter the Deep Roads though.) * Orzammar Commons o Janar Armorer's         o Figor's Imports (Unlocks after choosing a new king) o Proving Grounds o Tapster's Tavern * Dust Town o Alimar's Emporium o Slums house o Jarvia's Hideout * Diamond Quarter o Harrowmont's Estate o Royal Palace o Shaperate o Orzammar Council


 * 1) Brecilian Outskirts

* Dalish Camp * West Brecilian Forest * East Brecilian Forest * Brecilian Forest * Elven Ruins (Upper and Lower) * Werewolf Lair


 * 1) Denerim

* Eleven Alienage o Cyrion's Home o Shop o Orphanage o Valendrian's home o Apartments o Quarantined Hospice * Market District o Wonder's of Thedas o Blacksmith o Gnarled Noble Tavern o Warehouse o Warden's Cache (backroom of the Warehouse) o Goldanna's house (Alistair's sidequest) o Marjorlaine's house (Leliana's sidequest) * Arl of Redcliffe's Estate * Royal Palace * Arl of Denerim's Estate * Fort Drakon (There are two parts. The first, you need to get arrested when you rescue Anora. The second is the battle with the Archdemon.) * The Pearl (Missable, but you can visit in the "Pearls Before Swine" side quest.) * Dirty Back Alley * Rundown Back Streets * Dark Alley (This one and the last two are all a part of the "Back Alley Justice" side quest.) * Deserted Building (You'll need to find Ser Friden's corpse and do "The Last Request" side quest.) * Royal Palace District (Optional spot during "The Final Battle". Defeat one or both of the Darkspawn generals to go here.) * "K" or "D" Hideout (You can only visit one of these. These come from doing the side quests for the "Certain Interested Parties" at the bar in Denerim Market.) * Quaint Hovel from "Unbound" side quest. * Bann Federal's Estate from "Crime Wave" side quest.


 * 1) Side Quests:

* Civil War - From the Chantry board in Denerim, "Loghain's Push" side quest. * Battlefield - From the Chantry board in Denerim, "Brothers and Sons" side quest. * Refugees - From the Chantry board in Redcliffe, "Desperate Haven" side quest. * Caravan - From the Chantry board in Redcliffe, "Caravan Down" side quest. * Kadan-Fe Mercenaries - From the "Trial of the Crows" side quest. You need to have recruited Zevran. You also need to speak to Ignacio in the Denerim Market. You'll get a note from a boy. Accept the offer and continue from there.