Macquarie Island, Subantarctic island in the Southern Ocean
Macquarie Island is a UNESCO World Heritage Site, notable for its geological makeup and diverse wildlife.
The island was discovered by Europeans in 1810 and there's evidence that it was used for seal hunting in early 19th century.
Given its remote location, Macquarie doesn't have permanent residents but hosts small groups of scientists studying its unique ecosystems throughout the year.
Tours to the island are limited since it is mainly a research base with strict environmental restrictions for visitors.
Macquarie Island is one of the only places in the world where rocks from the Earth's mantle (specifically pillow lava) are being actively exposed above sea level.
Location: Huon Valley
Sources: Wikimedia, OpenStreetMap