Deep, dark, and full of mystery—this so-called bottomless pit turned out to be a magnet fishing paradise. With every drop, we ...

In Mandarin Chinese, the word "tiankeng" directly translates as "heavenly pit" or "sky hole," a ... you'll find Xiaozhai ...

Ever since 1956 ... to Krubera Cave drops down a chain of pitches, cascades, and pits—some more than 100 meters (328 feet) deep—connected by narrow rift passages called meanders.

The tiny Chinese drone survived a mission to the bottom of the Mariana Trench - the deepest pit in any of the world's oceans. The high-tech explorer marks a revolution in the world of deep-sea ...

The tiny Chinese drone survived a mission to the bottom of the Mariana Trench - which is regarded as the world's deepest pit in any of Earth's oceans. While its search for those pesky deep-sea 'aliens ...

At Hongyancun Station in Chongqing, the station is so deep underground that it takes ... the third-longest in the world. Not only can you see the famous Three Gorges Dam, you may even be able ...

At 131 feet to the bottom, the Y-40 pool at the Hotel Terme Millepini in Italy is officially the deepest swimming pool in the world, according to Guinness World Records. That's essentially as deep ...