LinkedinLearning.com has a simple yet highly functional nav bar.

You already knew Apple.com was gonna be in here didn't you? case study in modern nav bar design.

Honda.com joins in with a simple dynamic nav bar, when selcting options the website rolls out. very stylish yet simple.

GoodOlGames.com has a very modern layout as well, with a very readable design. Now that I look at it, it looks quite similar to the apple one.