Ahoi,
after finishing the graveyard base for my Vampire lord I thought I try my hand at a 6cm diametre ruined shrine diorama base (or objective token) with a broken statue and a removable birch tree. Naturally nothing stops you to incorporate this idea into a gaming board.
Obviously the concept can also be used for simple flagstone bases:
You'll find a step-by-step tutorial with plenty more pictures on the DaggerAndBrush blog:
Enthroned in Darkness
You'll also find out what lurks in the dark
.