There are lots of interesting things out there, and it's impossible for us to find all of them on our lonesome. Fortunately, there are a lot of people out there in the world paying attention to a lot of different things, and they use the online community to share the interesting things they find. That way, we can learn a bit more about the world, or just be really, really confused. Either one is an acceptable response to these.

The following images aren't just mildly interesting, they're incredibly cool. Fortunately, they were preserved and saved by hundreds of devoted Redditors. We've sorted through and found some of the coolest uploads to share. From historical photos to unintentional optical illusions, there's a lot out there to interest all of us. Here's a selection of some of the best interesting photos from the past month.