While many see the American Civil War as a parade of forage-cap crowned lines of grey and blue, there was a lot of really unique and interesting uniforms worn by both sides.
A few I particularly like:
NY Garibaldi Guard
SC Palmetto Jaegers
NJ Butterfly Hussars
LA Tiger Zouaves
A few I particularly like:
NY Garibaldi Guard
SC Palmetto Jaegers
NJ Butterfly Hussars
LA Tiger Zouaves