The comic book stories published by Marvel Comics since the 1940s have featured several noteworthy concepts besides its fictional characters, such as unique places and artifacts. There follows a list of those features. Certain places feature prominently in the Marvel Universe, some real-life, others fictional and unique to the setting; fictional places may appear in conjunction with, or even within, real-world locales. Many Marvel Comics stories are set in New York City, where the publishing company is based. New York is the site of many places important to superheroes: Avengers Mansion: Currently in ruin, but long the home of the Avengers. Avengers Tower: Formerly Stark Tower, the current headquarters of the Avengers. Alias Investigations: The private investigations firm founded and owned by Jessica Jones. Baxter Building and Four Freedoms Plaza: The bases of the Fantastic Four. Daily Bugle: A newspaper building where Peter Parker (Spider-Man) works as a photographer for J. Jonah Jameson. Fisk Towers: A skyscraper owned by Kingpin Wilson Fisk, and base of operations for his criminal activities. Hell's Kitchen: Home and protectorate of the Defenders (Daredevil, Jessica Jones, Luke Cage and Iron Fist) and The Punisher. Nelson and Murdock Law Offices: The law firm founded by Matt Murdock (Daredevil) and Foggy Nelson. Sanctum Sanctorum: The abode of Doctor Strange located in Greenwich Village. Oscorp Tower: A skyscraper owned by Norman Osborn. Now the headquarters for Alchemax. Mutant Town/District X: A ghetto-like neighborhood of New York primarily populated by mutants. Since the Decimation, its mutant population has largely disappeared. The Bowery: In Fantastic Four #4 (1962), the Fantastic Four's Human Torch discovers the 1940s-era character Namor in this Manhattan neighborhood of "human derelicts", where Namor had taken up residence after the onset of retrograde amnesia about his identity. Wakandan embassy: The consulate/embassy of Black Panther's nation of Wakanda.