Pearl and Hermes Atoll is a small, uninhabited atoll located in the northwestern part of the Hawaiian Islands. It is part of the Papahānaumokuākea Marine National Monument, which protects its unique ecosystems and wildlife. The atoll consists of a ring of coral reefs surrounding a shallow lagoon, making it an important habitat for various marine species. The atoll is named after the shipwrecks of the Pearl and Hermes, which occurred in the 19th century. It is known for its rich biodiversity, including seabirds and marine life such as turtles and sharks. The area is a popular destination for scientific research and conservation efforts.