Hoh Rain Forest, Washington, USA

Located inside the Olympic National Park in the US state of Washington, Hoh Rain Forest is one of the country's largest temperate rainforests and showcases the tranquillity of flora and fauna. More than 1,000 years old, the woodland is blanketed in unique mosses and ferns, while its striking sitka spruce and western hemlock trees can reach heights of 311 feet (95m).