Slovenia is home to some of the most amazing limestone caves in the world, which are a treat for nature lovers and adventure ...

Explore the world's longest known cave system and see colorful, subterranean light displays in these incredible caves that ...

In 1993, researchers exploring a cave in southern Italy found a sinkhole leading to a tunnel. At the end of the tunnel was a ...

Sports, travel, food and history. Arizona is a special state. Be a tourist in your town and explore these 7 uniquely Arizona ...

Hidden deep beneath the Earth’s surface are vast underground lakes formed within caves and geological basins. In this ...

When Michel Siffre entered the Marguareis Massif, 2,000 meters above sea level, he found the Scarasson crevasse, a glacial ...

The temperature of the water remains constant throughout the year, making it a perfect spot for free divers. With its rich ...

Discover the hidden wonders of Earth's mysteries in '25 Hidden Secrets of Earth,' as we unveil fascinating geological ...

There aren't many places on the planet where you can see both active volcanoes and massive glaciers. This Icelandic national ...

Beneath the moon's cratered surface lie networks of lava tubes and deep pits, natural caves that could shelter future lunar ...

Australia’s Antarctic exploration pioneer took his polar pyjamas and wore them in the outback ...

This UK town, just a short drive from Manchester, is home to a popular brand, natural thermal spas, an opera house and offers ...