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Avenue of the Baobabs: Madagascar's natural monument with dozens of 'mother of the forest' treesThe Avenue of the Baobabs preserves the remnant trees of an ancient tropical forest on Madagascar.
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Spotted Lake: Canada's soda lake with colorful brine pools that are smelly and slimy 'like the white of an egg'Spotted Lake is a soda lake that evaporates every summer, leaving a white crust with circular brine pools that can appear blue, green or yellow.
planet-earth -
Coconucos volcanic chain: Colombia's stunning cluster of volcanoes, lost in an otherworldly landscapeThe Coconucos volcanic chain is a mountain ridge dotted with at least 14 volcano craters, including one that is active and erupted in December 2025.
volcanoes -
China's Great Green Wall: The giant artificial forest designed to slow the expansion of 2 desertsSince 1978, China has planted more than 66 billion trees along its 2,800-mile-long northern border, and it wants to plant 34 billion more over the next 25 years to complete its "Great Green Wall."
14 Commentsplants -
Sistema Ox Bel Ha: A vast hidden system that's the longest underwater cave in the worldThis incredible submerged cave network is the longest of its kind in the world and plays a vital role in the region.
geology -
Triple Divide Peak: Montana's unique liquid 'crossroads' where water can flow into three oceansTriple Divide Peak in Montana is the only place on Earth where water can flow into one of three different oceans, according to some definitions.
2 Commentsgeology -
Eternal Flame Falls: New York's mini waterfall that hides a grotto filled with undying fireEternal Flame Falls sits on a bed of shale rocks rich in organic matter. As this matter breaks down, it produces highly flammable natural gas that escapes through cracks in the ground.
3 Commentsgeology -
Coral Triangle: The giant hidden 'Amazon' beneath the sea that appears somewhat resilient to climate changeThe Coral Triangle is an extremely biodiverse patch of ocean around the Philippines and Papua New Guinea. Its relatively murky waters appear to shield it against climate change — for now.
rivers-oceans -
Cairo Fossil Forest: The oldest forest in North America with 385 million-year-old treesThe Cairo Fossil Forest is the second oldest in the world. These forests mark a turning point in Earth's history because they changed the composition of the atmosphere, scientists say.
2 Commentsplants
