article_snippet: the tourist attraction sees three million visitors flock to gaze at the tourist attraction psychedelic waters in Wyoming, USA.
article_snippet: The site first gained popularity in the 1940s when a million tourists would visit The site .
article_snippet: Now nearly three million tourists flock to Yellowstone National Park, compared to the one million in the 1940s, which has led to the build-up of debris in Pool on fire.
article_snippet: Over three million people enjoy the Yellowstone National Park annually, spans an area of 3,468.4 square miles, comprising lakes, canyons, rivers and mountain ranges .
article_snippet: Half of the world's geothermal features are in the Yellowstone National Park , fueled by Yellowstone Caldera, the largest supervolcano on the continent .
highlights_snippet: Over three million people visit Yellowstone National Park, and due to the rubbish and coins, it is now nicknamed Fading Glory .