A dungeon abuts your basement

[Scott Anderson]

At least it does in this man's home.  He knocked down a wall and found a whole cavern complex and ancient underground city waiting to be explored!

This is one of those clickbait listicle things, but it's got a lot of great photos to use in your games.  Worth the clicks.

[swordofkas]

Do you want accursed undead invading your home? Because that's how you get accursed undead invading your home.