Auxiliary Compliance Outpost where the "Non-Compliant" are sent to be "excised from the world."

Bitterfrost was a top-secret Soviet installation for super-human and paranormal research.

A world where everything is different, and opposite of the way things are on Earth.

A large, wooded mountain range in southwest Germany.

Black Fortress is the ship the beast used to get to Krull.

The Black Galaxy is a living "bio-verse".

It is a fictional prison located in Gotham City. Used to housing many of the harshest criminals that Gotham City has ever seen, with many of its notable prisoners including Joker, Bane and Two-Face, owing their capture to the vigilante Batman, in addition to his Bat-Family and Gotham Police.

Blakchawk Island was home to the Blackhawk Squadron In World War II.

A small, isolated mountain range rising from the Great Plains of North America in western South Dakota and extending into Wyoming. Native Americans have a long history associated with these hills, but were driven out following the Black Hills Gold Rush.

Little place located in Kentucky. It is where Iris Gentry is from.

A secret hospital and recuperation center that caters to villains who have had bruising run-ins with superheroes.

The border river between the Aquilonian Marches and the Pictish Wilderness.

The Black Sea is a sea in Southeastern Europe separating eastern Europe from western Asia. The Strait of the Dardanelles and the Bosphorus straits connect the Black Sea with the Sea of Marmara and the Aegean Sea, respectively. Bordering countries are Turkey, Bulgaria, Romania, Ukraine, Russia, and Georgia.

Blackstone is the fortress of the Black King, located into Hellfire Bay on the southeastern coast of Krakoa.

In the 30-31st century on the mystic planet known as the Sorcerers World is the Black Witches Castle. The Legionnaire resides in this enormous castle which holds within its chambers the evil known as Mordru.

Research facility in Gotham City.

Blingenstone is a large city of Svirfnebli (deep gnomes) in the Underdark. It is the closest large dwelling of any race close to the drow city of Menzoberranzan.

Blonde Phantom Base of operations. Located in a penthouse at New York city.

A home to the Bloodstone family located in Boston, Massachusetts.

Department store located in NYC.

Area of central London.

Blüdhaven is the sister city of Gotham City, located south down the river. Almost always run by organized crime, it attracted the attention of the vigilante Nightwing. During the Infinite Crisis it was destroyed by Chemo,and during Final Crisis it was the location of Darkseid's new Evil Factory.

Created by the Skrulls in a competition held against the Kree and the Cotati, it has been the home of Uatu the Watcher and the Inhumans

One of the planets where the band The Atomics played.