This ESPN Nav is appealing in that it is collapsed until you hover, and it shows more options

W3's NAV Consists of a Quick Link Row and then a subsequent column that appears on left-hand side of the screen

Microsoft sets the standard for everything. Their NAV bar is fairly conservative

C# Corner does a great job by having two separate colored rows that provide two rows of links

Redmond School District shows quick links up top and normal nav links in the bottom row