One person can ruin a good thing for everyone.

It's not uncommon to hear about people doing stupid things while visiting Yellowstone National Park. It seems like each year we hear about someone getting too close to wildlife or getting burned in one of the many geothermal pools throughout Yellowstone.

One thing to remember when visiting Yellowstone is that "Travelling off boardwalks or designated trails in hydrothermal areas in prohobited."

Apparently, not everyone heeds those warning. In a video recently uploaded to to YouTube, tourists can be seen walking off trail in a hydrothermal area. Park employees were notified and shown the video. No word on if the tourists faced repercussions for their actions.

Watch the video below:

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