A Plus in Your Scale Arsenal: Augmented Scale ii-V7-I
A six note scale (hexatonic), formed by:
2 augmented triads a minor third apart (C-E-G# & Eb-G-B = C-Eb-E-G-Ab-B)
2 augmented triads a half step apart (C-E-G# & Db-F-A =
A Major triad and a minor triad a Maj 3rd below (C-E-G & Ab-B-Eb = C-Eb-E-G-Ab-B)
A minor triad and a Major triad a Maj 3rd above (C-Eb-G & E-G#-B = C-Eb-E-G-Ab-B)
3 min 2nds a Maj 3rd apart (C-Db, E-F, G#-A)
3 min 3rds a Maj 3rd apart (C-Eb, E-G, Ab-B)
There are also Perfect 4ths and 5ths, as well as Maj & min 6ths, plus Maj 7ths included.
Check 'em out.