Loading Families
Revit provides a wide range of families that you can plug into your model. You can load them into the project be doing the below:
Insert Tab
Load Autodesk Family
After finding family that you need, select load
If you can not find a family that you need already loaded into Revit, below are some sites to look at:
BIM objects
Revit City
Kohler
Plumbing
Lighting
Brizo
Plumbing
Herman Miller
Furniture
Subzero - Wolf
Appliances
Bonus - Image from my trip to Iceland