Released: 1967
Genre: Psychedelic Rock
Impact: Considered one of the greatest albums of all time, it revolutionized rock music and introduced new studio techniques.
Released: 1973
Genre: Progressive Rock
Impact: Defined an era of progressive rock and became a cultural landmark with its deep themes of existentialism.
Released: 1971
Genre: Hard Rock
Impact: Featuring "Stairway to Heaven," it solidified Led Zeppelin as one of the greatest rock bands in history.