Tips for building cities for Monster destruction

Hi all, im a noob seeking advice for future reference. My goal is to create a Godzilla game and in this post i want to discuss city building. Now i want to create select city environments for monsters to fight in and destroy kinda like the city of Tokyo here in the image from Godzilla Save the Earth. I feel with tech now i could create a bigger more accurate depictions (call me out if im wrong for i know i cant be too optimistic). But long story short, i want to build destructable cities and im hoping for advice on what software to use and tips on a workflow