Yel‧low‧stone Na‧tion‧al Park, the /ˌjeləʊstəʊn ˌnæʃənəl ˈpɑːk $ -ˈpɑːrk/
a large national park mostly in Wyoming, in the northwestern US, known for its hot springs and geysers (=natural springs of hot water that rise suddenly into the air), especially one called Old Faithful which many tourists come to see

[TahlilGaran] Dictionary of Contemporary English ▲