Black Forest
Location: Southwestern Germany
Size: 2,300 square miles
Age: Likely about 10,000 years old
Animal species: Includes the Western capercaillie, cuckoos, and fallow deer.
Allegheny National Forest
Location: Northwestern Pennsylvania, United States
Size: 801.8 square miles
Age: Established in 1923
Animal species: Includes bobcats, red foxes, timber rattlesnakes, elk, and snowshoe hares
The San Isabel National Forest
Location: Central Colorado, United States
Size: 1,750 square miles
Age: Established in 1902
Animal species: Includes black bears, mountain lions, elk, and bighorn sheep.
Arashiyama Bamboo Grove
Location: Arashiyama, Kyoto, Japan
Size: 6.2 square miles
Age: About 700 years old
Animal species: Includes giant pandas, mountain gorillas, antbirds, and tiny bats.
Daintree Rainforest
Location: Queensland, Australia
Size: 460 square miles
Age: About 180 million years old
Animal species: Includes cassowaries, pied monarchs, golden bowerbirds, and Bennett’s tree-kangaroos.
Jiuzhaigou Valley
Location: Sichuan, China
Size: 280 square miles
Age: Established in 1978
Animal species: Includes golden snub-nosed monkeys, giant pandas, Duke of Bedford’s vole, and white-lip deer.
Tongass National Forest
Location: Alaska, United States
Size: 26,100 square miles
Age: Established in 1907
Animal species: Includes brown bears, black bears, salmon, bald eagles, and orcas.
Virgin Komi Forests
Location: Komi Republic, Russia
Size: 10,215 square miles
Age: Established as a UNESCO World Heritage Site in 1995
Animal species: Includes reindeer, wolverines, moose, lynx, beavers, otters, and bears.
Gondwana Rainforest
Location: Queensland and New South Wales, Australia
Size: 1,400 square miles
Age: Uncertain; Designated World Heritage Site in 1994
Animal species: Includes pink-tongued lizard, friendly sun skink, fallow deer, and little red flying foxes.