Are there any good examples of menus to copy from

I’ve experimented with the Nav control, and with the cloud design library menus, but there are only two horizontal menus, which are both uppercase menus, one with underlines and one without. The default menu has no styling. So, where would I look for inspiration to get something similar to what other plugins give you on menus? Has anyone done this in the wild, and is anyone able to share any ideas, etc?