I think you can try gold investment, property investment, invest in some project and etc. So many kinds of investment you can try out there, but if that isn't your basic, you should learn more about that or maybe never thinking to try it, because that investment need long term time to get a profit, and if you don't have any experience, maybe you will get scams there, because that is same with crypto investment, so keep learn more and be smart to choose investment place.
And If your basic is invest in crypto, don't look for another investment, keep do that and you will get the profit, because everything if we do that with seriously we will get the great results.