Splint Invest is a product I love and use to diversify my investments portfolio (which is mostly in stocks). There you can invest in alternative assets like rare whiskeys, luxury cars, art, watches and more.
I've personally invested in the Ferrari from the image bellow, a few Macallan bottles (each over 50Y old), an Andy Warhol artwork and a Patek Philippe watch.
Splint Invest iOS App Concept
Before & After
Here's an quick view of the investment portfolio before and after the redesign.