What's Behind A Door?

I've always been fascinated by doors. Of course, some doors are just ordinary, everyday entrances. But some...like these...are so beautiful and mysterious. What's behind them, I wonder? Although, the first one looks like it's mounted on a brick wall. That's truly a mystery...

I like to imagine what's behind a fabulous door...a house filled with Moroccan antiques, colorful exotic textiles, Oriental rugs, and vintage silver? An elegant French, parlor where ladies are enjoying afternoon tea? A courtyard that looks like a lush, overgrown slice of the Garden of Eden? Or a brick wall. I suppose I could knock...C