Disclosed herein are representative embodiments of modular beds and environments. For example, in one example embodiment disclosed herein the pet bed comprises a bed frame having a central area surrounded by one or more side walls, a pillow sized to fit within the central area of the bed frame, and a blanket affixed to the pillow in a manner that allows at least a majority of the edges of the blanket to be free of the pillow. The denning bed may also be comprised of a single component bed wherein the pillow and blanket top are attached (not removable) from the bed frame. Also disclosed herein are embodiments of modular beds in which the bed frame comprises two or more cushioned components that can be removed from a fabric bed frame cover.
