(current) X-Factor Investigations, New York City (former)Professor Xaviers School of Gifted Youngsters, Salem Center, Westchester County, New York; Muir Island, Scotland; X-Factor headquarters, Embassy Row, Washington, D.C.; X-Factor Headquarters, New Yo
Currently a castle on the Hudson River in upstate New York that is owned by the High Evolutionary; (former) Transia; Avengers Mansion, Manhattan; Avengers Compound, Palos Verdes, California; X-Factor headquarters, Washington D.