sinkhole

Some lakes with their enormous depths or strange features easily give the impression that they have no bottom at all.

New research suggests that the region's geological conditions, coupled with the effects of climate change, led to the emergence of a series of

The Great Lakes Environmental Laboratory (GLERL) of the National Oceanic and Atmospheric Administration (NOAA) has confirmed the existence of about 40 mysterious circular

Many experts say that climate change makes countries in the Southeast Asian region face more risks stemming from sinkholes.

A volcano in Iceland is currently erupting after weeks of earthquakes rocked the area, the Icelandic Meteorological Office said.

Many mysterious lands in the world are thought to be the gateway to the afterlife, from a permanent fire pit in Turkmenistan to the sinking holes in Mexico.

On June 22 at the hall of Quang Binh Provincial People's Committee, Howard Limbert, head of the Royal Cave Expedition in Vietnam announced 57 new caves that have been discovered

A 32-meter-wide deep hole appears in Nizhny Novgorod, one of the places where the 2018 World Cup has just taken place.