Heterotopia is a term coined by Michel Foucault to describe a space that is different from the norm, a place that is neither here nor there. It is a space that resides between the real and the imaginary. Synonyms for heterotopia include dystopia, utopia, liminal space, and anti-place. Dystopia refers to a fictional place where everything is terrible, while utopia is a fictional place that is perfect. Liminal space refers to a threshold or transitional area, while anti-place is a space that is neither inside nor outside, yet still exists. Heterotopia is a concept that is often used in literature and art to create alternative realities.