The Fort Graye is an upper class brownstone apartment in the uptown district of Gotham City.

It is a city-owned and operated park in Fort Greene, Brooklyn (New York City).

Fort Knox is a fortified vault building used to store a large portion of United States official gold reserves.

Submarine headquarter of the Super sons.

Bizarro's version of Superman's Fortress of Solitude

Fortress of Solidarity, the place where Supermen from various eras can be together.

The first Fortress of Solitude belonged to Doc Savage, the original for Superman. The second and most famous Fortress is Superman's headquarters created by the Eradicator. It contains various Kryptonian artifacts as well as a way of communicating with Jor-El.

Mr. Sinisters fortress in Finland.

Darth Vader's stronghold located on the planet Mustafar.

The premier brokerage house in the Galaxy ruled by Count Bligh.

The home & sanctuary of mutantkind in the Age of X alternative present day timeline.

Located in Osaka, Japan, birthplace of the Silver Samurai and Clan Yashida.

A Kryptonian prison.

A military fort controlled by Governor Haupai.

The old HQ of the Fantastic Four on 42nd and Madison Avenue in New York City.

Fourscore is a unique planet used by the Green Lantern Corps Drill Instructor Ermey as a training ground for new cadets. Possessing four different terrains, Fourscore was the ideal location for Ermey to test the strength of such notable Lanterns like Kilowog and Tomar Re .

A strange realm Flip Falcon learned to access.

The Fourth Dimension was discovered by the Ulysses Research Center, which was established by Bridget and Peter Quinn in their attempts to find a better world. The existence was further confirmed after the return of their son Neil Quinn (Ulysses), after they sent him to the Fourth Dimension to escape the destruction of the Ulysses Research Center.

Universe of the eternal conflict between good and evil, as told by Jack Kirby.

A community of foxes which lies just south of the Land of Oz and across the Great Sandy Wastes. It is ruled by King Dox and is located in the same unnamed country as Dunkiton, Musiker Valley, and the territory of the Scoodlers.

The French Republic is located in Western Europe.

Largest city in Hesse, Germany.

The Ultimate Universe has Franklin Storm, the father of Susan and Johnny Storm, still alive and he has an office.

A city established by the Leader populated with scientists, thinkers, radiation victims and Gamma Mutants located in the Columbia Ice Fields of Alberta

A fictitious town in England.

Country in the north of South America.

A large numbered group of relatively isolated islands in the South Pacific, it is considered France's only overseas country (legally distinct from its many overseas territories). Most appearances of French Polynesia will be the main island Tahiti though others like Ruruta or the Marquesas have appeared in comics as well.

The coastline of the southeast corner of France.

The Fright Zone is the base of the Evil Horde on Etheria. Parts of the Fright Zone exists in different dimensions/planets, for example Eternia

Polar planet located in the farthest rim of the Thneed System.

Diner were Reynard and Meghan worked at before having a baby.