You recognize details about rooms in dungeons by sight. For a given dungeon room, you know the following.
- If there are structural or magical protections to the integrity of this room.
- If it's part of the original dungeon or a later addition.
- If it's essential to the functioning of the dungeon.
- How lethal it is (roughly).
- If it is magically powered, divinely powered. spiritually powered, or primally powered.
- Any noteworthy features of of the dungeon room.
You may also make a investigator check to learn more about the dungeon room, its purpose, its construction, or other details the GM allows.
At GM discretion, you can also spend 10 minutes studying a dungeon room up close to get additional information.