Structured for AI

{  "@context": "https://schema.org",  "@type": "Campground",  "@id": "https://campertunity.com/listings/campgrounds/mammoth-cave-campground",  "name": "MAMMOTH CAVE CAMPGROUND",  "description": "Overview Mammoth Cave Campground puts campers in a prime spot to explore the depths and overland treasures of Mammoth Cave National Park. Mammoth Cave is an underground passageway containing more than 400 miles of naturally sculpted limestone and sandstone. It is the longest recorded cave system in the world. The grand-scale chambers and long, winding passageways were the inspiration behind the park's name. The campground doubles as an entry point to 14 miles of hiking and biking trails. It's...",  "url": "https://campertunity.com/listings/campgrounds/mammoth-cave-campground",  "image": [    "https://cdn.recreation.gov/public/2020/12/03/19/07/232467_278a17d7-0ff9-4fbf-9e1f-6d92d1bc1a32_1440.jpg"  ],  "address": {    "@type": "PostalAddress",    "addressCountry": "US"  },  "amenityFeature": [    {      "@type": "LocationFeatureSpecification",      "name": "Mountain Biking"    },    {      "@type": "LocationFeatureSpecification",      "name": "Kayaking"    },    {      "@type": "LocationFeatureSpecification",      "name": "Private"    },    {      "@type": "LocationFeatureSpecification",      "name": "Canoeing"    },    {      "@type": "LocationFeatureSpecification",      "name": "Tent Camping"    },    {      "@type": "LocationFeatureSpecification",      "name": "Tent"    },    {      "@type": "LocationFeatureSpecification",      "name": "Boating"    },    {      "@type": "LocationFeatureSpecification",      "name": "Biking"    },    {      "@type": "LocationFeatureSpecification",      "name": "Hiking"    },    {      "@type": "LocationFeatureSpecification",      "name": "Horseback Riding"    },    {      "@type": "LocationFeatureSpecification",      "name": "Horseback Riding"    },    {      "@type": "LocationFeatureSpecification",      "name": "Hill"    },    {      "@type": "LocationFeatureSpecification",      "name": "River"    },    {      "@type": "LocationFeatureSpecification",      "name": "Cave"    }  ],  "offers": {    "@type": "Offer",    "availability": "https://schema.org/InStock",    "priceCurrency": "USD",    "price": "0",    "priceValidUntil": "2026-11-09"  },  "priceRange": "$0+"}