You know what...
Nevermind only sold 10 million units not the 20 mil I posted. So they weren't even as good as I thought.
And to the people who think hard rock/metal bands are overrated... take note of how many of their albums are on this elite list....
The Recording Industry Association of America's Top-Selling Albums of All Time
28 Million
Eagles: Their Greatest Hits, 1971–1975, Eagles (Elektra)
26 Million
Thriller, Michael Jackson (Epic)
23 Million
The Wall, Pink Floyd (Columbia)
22 Million
Led Zeppelin IV, Led Zeppelin (Swan Song)
21 Million
Billy Joel Greatest Hits, Volumes I & II, (Columbia)
19 Million
Rumours, Fleetwood Mac (Warner Bros.)
Back in Black, AC/DC (Elektra)
The Beatles, The Beatles (Capitol)
Come On Over, Shania Twain (Mercury Nashville)
17 Million
Boston, Boston (Epic)
The Bodyguard (soundtrack), Whitney Houston (Arista)
16 Million
Cracked Rear View, Hootie & the Blowfish (Atlantic)
Greatest Hits, Elton John (Island/Mercury)
Jagged Little Pill, Alanis Morissette (Maverick)
The Beatles: 1967–1970, The Beatles (Capitol)
No Fences, Garth Brooks (Capitol Nashville)
Hotel California, Eagles (Elektra)
15 Million
Double Live, Garth Brooks (Capitol Nashville)
The Beatles: 1962–1966, The Beatles (Capitol)
Saturday Night Fever (soundtrack), Bee Gees (Polydor/Atlas)
Dark Side of the Moon, Pink Floyd (Capitol)
Physical Graffiti, Led Zeppelin (Swan Song)
Appetite for Destruction, Guns 'N Roses (Geffen)
Supernatural, Santana (Arista)
Born in the U.S.A., Bruce Springsteen (Columbia)
14 Million
Simon & Garfunkel's Greatest Hits, Simon & Garfunkel (Columbia)
Bat out of Hell, Meat Loaf (Epic)
Metallica, Metallica (Elektra)
Ropin' the Wind, Garth Brooks (Capitol Nashville)
Backstreet Boys, Backstreet Boys (Jive)
13 Million
Millennium, Backstreet Boys (Jive)
Greatest Hits: 1974–1978, Steve Miller Band (Capitol)
Whitney Houston, Whitney Houston (Arista)
Purple Rain (soundtrack), Prince and the Revolution (Warner Bros.)
Bruce Springsteen & the E Street Band Live: 1975–1985 (box set), Bruce Springsteen & the E Street Band (Columbia)
…Baby One More Time, Britney Spears (Jive)
12 Million
Forrest Gump (soundtrack) (Epic)
Kenny Rogers's Greatest Hits, Kenny Rogers (Capitol Nashville)
Hot Rocks, The Rolling Stones (abkco)
The Woman in Me, Shania Twain (Mercury Nashville)
Breathless, Kenny G (Arista)
Led Zeppelin II, Led Zeppelin (Atlantic)
Ten, Pearl Jam (Epic)
Yourself or Someone Like You, Matchbox Twenty (Atlantic)
Abbey Road, The Beatles (Capitol)
II, Boyz II Men (Motown)
Slippery When Wet, Bon Jovi (Mercury)
Wide Open Spaces, Dixie Chicks (Monument)
No Jacket Required, Phil Collins (Atlantic)
Hysteria, Def Leppard (Mercury)
11 Million
Human Clay, Creed (Wind-Up Records)
Falling into You, Celine Dion (Epic)
Eagles Greatest Hits, Vol. II, Eagles (Elektra)
Sgt. Pepper's Lonely Hearts Club Band, The Beatles (Capitol)
No Strings Attached, 'N Sync (Jive)
Houses of the Holy, Led Zeppelin (Atlantic)
Devil Without a Cause, Kid Rock (Lava)
Candle in the Wind, 1997/Something About the Way You Look Tonight (Single), Elton John (Rocket)
Pieces of You, Jewel (Atlantic)
CrazySexyCool, TLC (LaFace)
Dirty Dancing (soundtrack) (RCA)
Titanic (soundtrack) (Sony Classical)
James Taylor's Greatest Hits, James Taylor (Warner Bros.)
10 Million
Fly, Dixie Chicks (Monument)
'N Sync, 'N Sync (RCA)
Let's Talk About Love, Celine Dion (550 Music/Epic)
Tragic Kingdom, No Doubt (Trauma/Interscope)
Life After Death, Notorious B.I.G. (Bad Boy/Arista)
Best of the Doobies, Doobie Brothers (Warner Bros.)
Dookie, Green Day (Reprise)
The Stranger, Billy Joel (Columbia)
Aerosmith's Greatest Hits, Aerosmith (Columbia)
The Hits, Garth Brooks (Capitol Nashville)
Music Box, Mariah Carey (Columbia)
Unplugged, Eric Clapton (Reprise)
Tapestry, Carole King (Ode)
Greatest Hits, Journey (Capitol)
Led Zeppelin, Led Zeppelin (Atlantic)
The Immaculate Collection, Madonna (Warner Bros.)
Like a Virgin, Madonna (Sire)
Legend, Bob Marley & the Wailers (Island)
Faith, George Michael (Columbia)
Greatest Hits, Tom Petty & The Heartbreakers (MCA)
Nevermind, Nirvana (DGC)
The Lion King (Soundtrack) (Walt Disney)
Can't Slow Down, Lionel Richie (Motown)
Please Hammer Don't Hurt 'Em, Hammer (Capitol)
Daydream, Mariah Carey (Columbia)
Van Halen, Van Halen (Warner Bros.)
Eliminator, ZZ Top (Warner Bros.)
The Joshua Tree, U2 (Island)
1984, Van Halen (Warner Bros.)
Through 5/16/2005.