Bach's Mass in B Minor does it for me. How can I ever forget seeing/hearing it performed in the church Handel attended in London. Check out #7, "Gratias agimus tibi"...it starts simply with the chorus and builds from there, adding tympani and trumpets by the closing forte. You would swear the angels had graced you with a brief appearance in your listening room.
Not so well known is Scriabin's Piano Concerto in F Sharp Minor. If you're partial to piano concerti and haven't heard this yet, I can't recommend it too strongly...as beautiful as anything by Rachmaninoff. I have it with Vladimir Ashkenazy, London 414 252-2 (CD).
Anything by Puccini works for me. I wish everyone could hear Jose Cura sing "Ch'ella mi Creda" from La Fanciulla del West, an extraordinarily powerful aria.