I love Ted Nugent's debut album. Got an original pressing of it. I like to blast Snakeskin Cowboys every now and then.
Favorite classic rock album? Just one pick?
I'll exclude Pink Floyd from the list, because I love them, but I don't feel they were just a rock group.
I think the only fair way to go about it, is to pick an album that I enjoy every song off of. It might not be the greatest album ever, but if I really enjoy the songs, then it gets the spot.
Van Halen - Van Halen (1978)
I chose this album, because I probably listened to this album in it's entirety more times than any album of it's era. As a guitarist, it inspired me a lot, and while I think Van Halen got better after this, their later albums had some songs I just didn't care for.
Honorable Mentions:
Dire Straits - Dire Straits - It inspired me as a guitarist, and I enjoyed every song, I just usually don't listen to it in it's entirety. My absolute favorite guitar album.
Creedence Clearwater Revival - Cosmo's Factory - Same as above.
Billy Joel - Glass Houses - I didn't feel it counted as a classic rock album.
Queen - A Night at the Opera - Loaded with great songs, but had some songs I just couldn't care for. You cannot beat the mixture of Mercury's harmonies and Brian May's guitar work.