Sinkhole
Three men in Hawaii's "Queen's Bath" faced a deadly whirlpool, battling turbulent waters in their bid to reach safety. One of their fates remains uncertain.
A deep sinkhole pit discovered in rural Morocco sparks fears and comparisons to a similar event in Turkey. Are the catastrophic earthquakes the missing link?
Police were at the scenes directing traffic and recommended taking alternative routes.
A new study showed for the first time that "underground climate change" causes the ground beneath urban areas to move, expand and contract.
The Dead Sea's water levels have been on the decline and sinkholes have converged throughout the area. Why did this happen and can we stop it?
The sinkhole may have opened up due to a failure of an underground water pipe.