The world’s largest tropical rainforest, the Amazon rainforest covers a whopping 2.7 million square miles and is home to nine nations; 3,344 indigenous territories; about 390 billion individual trees; 2.5 million insect species; and about 2,000 birds and mammals species. Some of the most iconic (and sometimes notorious!) animals include jaguar, cougar, anaconda, electric eels, poison dart frogs, crocodiles and scarlet macaws. There are many ways to appreciate the rainforest, like a jungle lodge stay or river cruise. © Ulf Huebner | Dreamstime.com

In eastern Madagascar, Andasibe Mantadia National Park is a biodiverse and easily accessible national park. Recently designated a UNESCO biosphere reserve, the park has been responsible for successfully reintroducing three groups of lemurs, including the diademed sifaka and black-and-white ruffled lemur. © Dennis Van De Water | Dreamstime.com

Bwindi Impenetrable Forest in Uganda is one of the most biologically diverse areas on the planet. The forest is home to half of the world’s population of highly endangered mountain gorillas. It also includes forest elephants, blue monkeys and a wide array of bird species. The forest can be reached by road or air. © Martin Mecnarowski | Dreamstime.com

Did you know there’s a rainforest in the United States, and it’s not in Hawai’i? Tongass National Forest is a temperate rainforest in southeast Alaska and the largest national forest in the country. Endangered and rare flora and fauna can be found here, as well as fjords, glaciers and mountains. © Jmlevi2 | Dreamstime.com

Monteverde Cloud Forest Reserve is a popular attraction thanks to his biodiversity, hanging bridges, nature center, butterfly gardens, zip lines and restaurant. Many of the forest’s birds are long-distance migratory birds. Visitors can also spot marsupials, bats, squirrels and even wild pigs. © SimonDannhauer | Dreamstime.com

Daintree National Park, in Far North Queensland, Australia, is a UNESCO World Heritage site rich in rare species and birdlife. Within the park, visitors will also find Mossman Gorge, a popular area teeming with massive Spurwood trees native to the continent. Daintree Rainforest, meanwhile, is a 110-million-year-old ecosystem part of the Wet Tropics of Queensland. © Tanya Puntti | Dreamstime.com

Malaysia boasts many rainforests, with exceptional ones like Belum-Temengor and Taman Negara drawing visitors thanks to its elephants, orangutans, tigers and diverse flora. Many of the country’s rainforests are more than 130 million years old and continue to face deforestation. © Szefei | Dreamstime.com