Take a look at these gorgeous river photos from around the world. Temimina Cave is a small cave located inside of the Alto Ribeira Touristic State Park in São Paulo, Brazil. The park is known for ...

Heinerth is a professional underwater explorer, cave diver, and photographer. She's been diving in the most remote parts of Earth's oceans for 35 years. Her trip inside B-15 marked the first time ...

His photos appear frequently in National Geographic ... The technical problem is getting sufficient light inside the cave. The flat-black basalt just sucks up light, and with all the water ...

The multicolored cascades of prey and predator animals -- bison, deer, bears, cattle, mammoths, and reindeer -- are interspersed with geometric symbols and, in some places, female images probably ...

They had crawled into Cave of the Winds, deep inside a cave system known as Clearwater ... PANORAMA COMPOSED OF FOUR IMAGES “Well, I suppose there are a few spots,” he said, considering ...

Grotte de Cussac holds ancient human remains, long-extinct bears and stunning artworks Deep inside a labyrinthine cave in southwestern France, ancient humans who lived around 30,000 years ago ...

Scientists have found ancient nail tooth shark fossils deep inside Mammoth Cave in Kentucky, revealing new information about ...

Residents take shelter in a similar cave near Hama in this photo from 2012. The civil war has been raging in Syria for almost five years. A displaced girl poses inside an underground cave in the ...

The frigid, winter weather has provided the rare opportunity to step inside and explore stunning caves carved under the ice. Melting water from the glacier creates the twisting tunnels as it ...