Overview: Many interesting and rewarding locations are not marked on your map or are difficult to find.
- Deathclaw Promontory: A notoriously dangerous area on the eastern edge of the map, filled with Deathclaws, but also containing some of the best loot in the game.
- Abandoned Brotherhood of Steel Bunker: Found in Hidden Valley, this bunker is key to the Brotherhood's questline.
- Vault 34: A heavily irradiated vault infested with Feral Ghouls, containing powerful weapons and armor.
- REPCONN Test Site: Home to the 'Come Fly With Me' quest, but also many hidden areas and unique items.
Strategy: Don't be afraid to explore off the beaten path. Use your map and compass to identify unexplored areas. Be prepared for danger in these hidden spots.