There are quite a few, and it seems most are from the 70's...but here's my 10 pick starter list.
Quadrophenia - the Who
Fear of Music - Talking Heads
Tarkus - Emerson,Lake & Palmer
A Love Supreme - John Coltrane
Nighthawks at the Diner - Tom Waits
The Dark Side of the Moon - Pink Floyd
In The Court of the Crimson King - King Crimson
The Rise & Fall of Ziggy Stardust (ATSFM) - David Bowie
Changes in Latitudes, Changes in Attitudes - Jimmy Buffett
Tales of Mystery & Imagination ( Edgar Allen Poe) - the Alan Parsons Project