Behance is a good option, but I've got a whole toolkit of inspiration sources:  Beyond Behance, 

I love diving into: 
- Dribbble for cutting-edge UI/UX 
- Mobbin for mobile app interfaces 
- UI8 for premium design resources 
- Design system libraries from Apple/Google  

Also, a tip for you:- Don't just look. Analyze *why* designs work.

Sometimes I use AI tools too for inspiration. Do you want complete steps on how you can do it?