This is my favorite Bowser's Castle in the series so far.
Mario Kart Stadium
Water Park
Sweet Sweet Canyon
Thwomp Ruins
Mario Curcuit
Toad Harbor
Twisted Mansion
Shy Guy Falls
Sunshine Airport
Dolphin Shoals
Electrodome
Mount Wario
Cloudtop Cruise
Bone-Dry Dunes
Bowser's Castle
Rainbow Road
Dragon Driftway
Mute City
Ice Ice Outpost
Hyrule Curcuit