Moriarty's Saloon

Moriarty's Saloon is a bar in the town of Megaton owned by a man called Colin Moriarty. The saloon's bartender is a Ghoul called Gob. This is where the Vault 101 Dweller can meet the mysterious Mr. Burke. You are able to buy drinks off of Gob and rent a room for 120 caps off of Nova, Nova will also sleep with you when you rent the room, this is not optional. You may also find Lucy West here, in which case you will have the opportunity to start the Blood Ties quest.

You visit this place for the Main Quest, specifically Following in His Footsteps.

Appearances
The saloon appears only in Fallout 3.