Yellowstone National Park retrieved 280 hats from hydrothermal vents this summer

Other lost items include hair ties, dozens of lens caps, AirPods, and even an inhaler. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotional content and agree to our Terms of Use and acknowledge the data practices in our Privacy Policy . Yellowstone National Park attracts more than 4.5 million visitors from around the world every year.