Wall pictures suit homes with a little bit of story to tell, a hallway that needs warming up, a stairwell that's been bare since you moved in, a rented place where paint isn't allowed but nail holes are. They're forgiving that way. If you've got a huge, architectural living room with high ceilings and you're hoping one picture will do the job of filling it, think again, you'll need a grouping or something much larger, because a single small frame on a big wall just looks lost, like a stamp on a door.
How they age depends almost entirely on what's under the glass and what's around it. A proper print on good paper, behind real glass or acrylic, will look the same in ten years as it did on day one, as long as it's kept out of direct sun, which yellows paper and fades ink faster than people expect. Canvas prints age differently, they can warp a little in damp rooms or near radiators, and the surface picks up dust in a way that needs a soft brush rather than a wet cloth. Frames matter too. Wood frames handle humidity swings better than thin metal ones, which can warp at the corners over years. Wipe glass with a dry microfiber cloth, never spray cleaner straight onto it near the edges, it creeps under and marks the mat board.
For finishes, I've found neutral frames, black, white, warm wood tones like oak or walnut, are the easiest to live with because they let you change the art or the room around them without buying new frames every time. Matting in white or cream does a similar job, it gives the eye somewhere to rest before it hits the picture. Where people get stuck is color, a frame that exactly matches your sofa or trim looks intentional for about a year and then dates the second you repaint. Gold and brass frames are having a moment and look genuinely good against darker wall colors, but they clash badly with cool gray schemes, the warmth fights the room instead of complementing it. Bright colored frames are the ones to be most careful with, they work in exactly one spot and nowhere else in the house.
Where wall pictures don't belong is anywhere with real moisture, a steamy bathroom or a kitchen wall right behind the stove, humidity gets behind the glass and you'll see spotting on the mat within a year or two. They also struggle above anything with a strong pattern, a busy wallpaper or heavily patterned tile, the picture and the wall compete and neither wins. When you're next looking at one, check the frame joints first, a tight, flush corner tells you more about how it'll hold up than anything printed on the picture itself.