{
  "id": "yellowstone",
  "name": "Yellowstone National Park",
  "country": "United States",
  "established_year": 1872,
  "area_km2": 8991,
  "notable_feature": "Geothermal geysers including Old Faithful and abundant wildlife.",
  "url": "https://gratisapi.com/api/national-parks/yellowstone"
}