Hints if you are lose in puzzle:

there's secret rooms in levels: el xibalba,microgravity, la laticce but
it's not mandatory found all the secrets rooms, that's only some hints about puzzle.

important to solve:

All Switch Palaces have one color inside the level and a different color in the overworld. You must mix up the correct and incorrect colors to find the correct order.
Correct is the color within the level, incorrect is the color in the overworld.

Now you have the order of some coordinates, look them up on Google. The place you find is the center of the correct location to solve the puzzle. you need to put the name of that place with the correct inputs. ;)