Here are the details...and of course photographs!
The Bricks: Jolly Ranchers and/or Chiclet Gum
The Stones: Rock Candy and Mini Marshmallows
The Frosting: Fondant & Buttercream
The Flowers: Buttercream Frosting
The Water: Blue Piping Gel
Pointed Towers: The four points on the towers are cupcakes.
The back tower point is made out of a sugar cone and covered with melted candy.
The actual tower is made out of fondant & ice cream cones.