My sim went to , but I couldn see inside! Why?!
These are what the community refers to as “rabbit holes.” Your sim can go inside, but you, the viewer, are forced to wait while your sim has all the fun. For work and school, you can click on the rabbit hole (or the action in your sim’s action queue) to change how they’re doing what they’re doing – work harder, schmooze with coworkers, etc. There is currently no way whatsoever to see inside the rabbit holes. They are objects, not true buildings.