When Ear Spring had erupted, it seems, it had brought decades-worth of discarded items to the surface. And it was more than just the typical food wrappers and soda cans that you might think. In one place, they found a huge chunk of cinder block which had inexplicably become lodged in the geyser at some point. And in another, they discovered a pacifier believed to be around 90 years old. Photo credit: Facebook / Yellowstone National Park