Igloo of Solitude

The Igloo of Solitude is a health spa for superheroes.

The Igloo of Solitude is a popular eco-tourist destination, generating considerable revenue for the Superhero Foundation.

Greenpeace Exoplanetary has accused the Superhero Foundation of secretly promoting Extract of Radium, citing the discovery of empty Klein bottles near the Igloo.

Fiction cross-reference

• Like a marble in a Codd-neck Klein bottle
• Superhero Foundation

Nonfiction cross-reference

• Superhero (nonfiction)
• Superman (nonfiction)