This is probably the worst quest line I have ever played, in any game. Everything felt very forced, very rushed... And ancient aliens? Really, Bethesda? Really? This made Mothership Zeta look playable.
Click the report button under the user name and tell them there is a pretty serious spoiler on main thread.
It wasn't aliens. I honestly dont know where people keep getting the aliens idea when he outright says the whole "men from space" thing is wrong.
The House Cabot questline is a reference of Lovecraft, not aliens.
http://www.yog-sothoth.com/wiki/index.php/Cabot_Museum_of_Archaeology
>The Cabot Museum is a museum in Boston's Beacon Hill District on Mt. Vernon Street. It is housed in a formerly private mansion
>Cabot House is located in the Beacon Hill District of Boston in Fallout 4.