It seems odd, but there are tons of buildings and structures in the world that have become totally abandoned. It is weird to think about the fact that sometimes buildings just go untouched for decades. Abandoned places range from small houses to churches to airports to mansions, there are abandoned buildings of all sorts everywhere. In addition, there are abandoned planes, trains, cars, and so much more to be discovered out there.

It is unusual to see these normally high-traffic places and well-used things so empty and quiet. They raise questions pertaining to how the place ended up abandoned at all, what used to go on when it was not abandoned, and what might come of it in the future. Sometimes there is history behind these photos to provide an explanation, but many times there is not, and these buildings become mysteries.

Many people who go looking for these abandoned places to explore choose to share photos of them online for all to see. Here are 25 images of abandoned buildings, monuments, and other places that have been untouched for so many years.