Death Valley, California, United States of America
Badwater Basin is famously known as lowest point in North America with a depth of 282 ft (86 m) below sea level - a sign on the cliff wall marks sea level so you can appreciate just how far below it you are! Evaporation cycles leave salt on the ground, which gives the flats their distinctive white colour.
The name 'Badwater' originates from the accounts of an unknown explorer. The story goes that he took his horse to drink at the pool in the basin but the water was so foul that the horse refused to drink! Hence the name 'bad water'.