Well here's my list in no particular order, and I like to think I have some variety and some songs that no one has thought of yet.
I rated my songs based on their influence on rock and manliness.

Highway to Hell - AC/DC
Smells Like Teen Spirit - Nirvana
Baba O’Reilly- The Who
Freebird - Lynard Skynard
Hotel California - The Eagles
Stairway to Heaven - Led Zepplin
Right Now - Van Halen
Bohemian Rhapsody - Queen
Back In Black - AC/DC
Layla - Eric Clapton
Dream On - Aerosmith
I Want to Hold Your Hand - The Beatles
I Get Around - The Beach Boys
Ziggy Stardust - David Bowie
Pour Some Sugar on Me - Def Leppard
Just Like Heaven - The Cure
Brain Wilson - Bare
Sweet Child of Mine – Guns and Roses
More Than a Feeling – Boston
All Along the Watchtower – Jimi Hendrix
Satisfaction – Rolling Stones

Also here are some modern favorites of mine:
Bleeding Mascara - Atreyu
I Believe in a Thing Called Love - The Darkness
Cute Without the 'E' - Taking Back Sunday
Reinventing Your Exit - Underoath
Your Sword Versus My Dagger - Silverstein
One Eight Seven - Senses Fail
Pain - Jimmy Eat World
Fury of the Storm – Dragon Force

If you like what I put first, then you should check out some of these new bands. I think that in 10 years, they are what people will be putting on their top 10 rock songs list. I bet most of you will scoff at this new music, but I challenge you to try it.