You are certainly missing something , no doubt Bach is the TOP greatest composer after Beethoven.
He was unique among all composeres regarding the polyphonic richness in his music , covering huge music composition forms for solo instruments , string orchestra works, choral works , oratorios , cantatas & others.
He wrote compositions for solo violin and organ music that was never done before or after.
These are some recommendations of Bach's works that you should like:
Fantasie & Fuge in G Minor
Toccata & Fuge in D minor
Little Fugue in G Minor
The violin concertos and the double violin concerto.
Suites and partitas for Harpsichord
Violin sonatas with Harpsichord
The piano concertos
Wedding Cantata - 'Sich Uben Im Lieben'
Cantata 147 - Jesu, Joy of Man's Desiring
Chorus : Art Thou With Me
Sheep may safely graze.
Air in D for strings.