In no particular order
The Number of the Beast - Iron Maiden
Absolution - Muse
The Black Parade - My Chemical Romance (Yes I know I'm over 12 Years old but I like it!!)
Honourable mentions to;
...And Justice For All - Metallica
1812 Overture - Tchaikovsky
Murder Ballads - Nick Cave
Ace of Spades - Motorhead
DSOTM - Pink Floyd
Last Decade, Dead Century - Warrior Soul
The Almighty - The Almighty
All the early AC/DC albums up to & including For Those About To Rock.
ROCK ON!!
Tchaikovsky was a headbanger!!!