Public transportation systems such as buses, trains, and subways, are helpful, convenient, and affordable ways for people in cities to get around. They are more eco-friendly, and play a big role in the lives of those who don't drive. Public transport is accessible and great, but it is also home to some pretty strange sights and scenes.

The general public is known to be wild, and they take the use of public transportation very seriously. People use public transport not only to take themselves places, but also to bring their pets and interesting belongings with them as well. No matter where someone is headed or what someone is up to, there is someone else watching and observing.

Here, we have collected some images people have shared of the strange, bizarre, off-putting, and mysterious things they have seen while taking public transportation. These are truly subway creatures, and their intentions are unknown.