Isolated tribes in the Amazon, such as the Piripkura, face existential threats from illegal logging and deforestation, with their population dwindling to about 20 members.

Archaeologists discovered an eight-mile stretch of ancient cave paintings in Colombia, believed to date back to early human civilization, depicting extinct species like mastodons and giant sloths.

The mythical creature known as the Mapinguari, described as a giant sloth-like beast, remains unproven despite local legends and extensive searches by biologists for evidence of its existence.

A dead humpback whale was found in the Amazon River, raising questions about its migration patterns and the circumstances leading to its presence in freshwater far from the ocean.

In 2012, researchers uncovered a previously unknown rainforest in Mozambique, revealing new species and evidence of ancient human settlements, but the history of its inhabitants remains a mystery.

The Boiling River of Mayantuyacu in Peru, with temperatures reaching up to 200 degrees Fahrenheit, poses a danger to wildlife and humans, yet its heat source remains unexplained by scientists.

Barro Colorado Island in Panama has seen a significant decline in bird species, with over 45 species disappearing in the last century, prompting ongoing research to uncover the causes behind this biodiversity loss.