Might as well just post a list...
Stages
Sion-The Shrine with that large triangular dome in the background.
V Sion- Blue Shrine with pillars in background and city in backdrop.
Arcueid- Midnight park.
Warcueid- Castle with the chains.
Shiki-Open prairie, day time.
Nanaya-Street intersection, night time.
Akiha- Tohno Mansion with lights and elevator music.
V Akiha-Tohno Mansion with chandelier broken on the ground.
Ciel- A bright church.
Miyako- Tohno Mansion outside garden area, day time.
Len- Street intersection, day time.
Hisui&Kohaku- Outside Tohno Mansion at night.
Hisui- Tohno Mansion's library.
Kohaku- Underground sketchy area.
Mech Hisui- Kohaku's robot factory.
Warachia- Same shrine as V Sion, but with red lighting.
Aoko- Shiki's prairie, night time. Full moon in background.
White Len- Prairie, but snowed over.
Kouma- Burning forest.
Satsuki- An abandoned warehouse.
Nrvnqsr- Back alleyway.
Neco- Great Cats Village, pink lighting.
Neco C- Great Cats Village, but black, and some houses are turned upside down.
Extra Stage- A neon colored street with a parking garage and hotel in the background.
Extra Stage- The torn up midnight park with red moon.
Extra Stage- Kouma's forest, but not on fire.