Lake Baikal's Mysterious Ice Rings
The dark circles that sometimes appear on the surface of Siberia's Lake Baikal are so large, they're only visible from…
Albania's Blue Eye: Mysterious Underwater Cave
Albania's Blue Eye, a deep spring whose bottom remains unstudied, resists the attempts of divers to penetrate it's dept…
Mount Batur Crater Lakes Color Changes
Every few weeks, the crater lakes of Mount Batur and their ever-changing colors offer a stirring spectacle. Bali’s Moun…
Pingualuit Crater: Mysterious Arctic Lake
In the heart of the Arctic lies a nearly perfect circle, a mysterious lake that shouldn't exist. The Canadian lake, Pin…
Dallol Ethiopia: Mars on Earth for Astrobiologists
Dallol, Ethiopia, hosts one of the world’s most inhospitable environments, where pools of acidic, scorching fluid mirro…
Erta Ale: Ethiopia's Eternal Lava Lake
The Danakil Desert's Erta Ale volcano has held a molten lake of lava for over a century. Its fiery spectacle offers sci…
Death Valley's Moving Rocks Mystery Solved
Death Valley's Racetrack Playa is a vast, cracked lakebed where giant rocks mysteriously carve trails up to 200 meters…
Amazon's Ancient Geometric Earthworks Mystery
Aerial surveys revealed a vast network of ancient settlements hidden beneath the Amazon in the Acre region. When logger…
Underwater Sand Circles Mystery Solved
Divers exploring off the coast of Amami-Ōshima found a puzzle beneath the waves: meticulously designed, underwater sand…
Lake Hillier's Pink Color Mystery Explained
The pink lake of Australia's Lake Hillier looks like a giant strawberry milkshake — but it's all natural. The lake's in…
Namib Desert Dead Trees Mystery
The Namib Desert's Deadvlei holds a spectacle of nature: 600-year-old dead trees that stand upright, stark and black ag…
Lençóis Maranhenses: Brazil's Mysterious Sand Dunes
Beneath the sands of Brazil, fish find a way to survive. Lençóis Maranhenses National Park, a vast expanse of sand dune…