Deception Island is a volcanic island located in the South Shetland Islands of Antarctica. It is known for its unique horseshoe shape, formed by a caldera, which is a large depression created by volcanic activity. The island is home to various wildlife, including seals and seabirds, and features hot springs that attract researchers and tourists alike. The island has a rich history, having been used as a whaling station in the early 20th century. Today, it serves as a research site for scientists studying climate change and volcanic activity. Deception Island is also a popular destination for expedition cruises in Antarctica.