
A rainforest rival to Amazon and Congo
New Guinea holds Earth’s third‑largest tropical rainforest. Much of the island is still cloaked in dense, rugged green.New Guinea: Oceania’s Hidden Rainforest

Hard to reach, hard to study
Large areas remain hard for scientists to reach because of rugged mountains, remote valleys, and limited roads. The land keeps its secrets.New Guinea: Oceania’s Hidden Rainforest