Cortney and Bob Novogratz have spent years building their diverse art collection. Their walls are lined with photography, oil paintings, watercolors, mixed media and more sourced from all over the world. Bob Novogratz offers useful advice for displaying artwork: placement, framed vs unframed, and mixing and matching different pieces. When it comes to starting a collection of your own, take a page from the Novogratz: invest in art, and love it!