Hide Objects Using Object Inspector

Hide stories, objects that are not assigned to stories, and axes, independently in different views.

Note: You can hide stories and object not assigned to stories in a 3D View.

Image 2 shows the structure from image 1 with all stories hidden

If you want to...	then in Object Inspector...
Hide a single story and its content	Click next to a story.
Hide all stories and their content	Click next to Stories.
Hide multiple stories and their content	Press Ctrl and click to select multiple stories. Click next to any of the selected stories.
Hide objects not assigned to stories	Expand the Stories list. Click next to Unassigned.
Hide axes	Expand the Auxiliary Objects list. Click next to Grid axes.
Unhide objects	Click next to a hidden object.