Extremes
Places that push the boundaries of what the world tolerates — the most polluted, the most dangerous, the most inhospitable.
2 articlesLatest Extremes
Extremes
The Great Blue Hole
More than 300 metres across and 125 metres deep, Belize's ancient underwater sinkhole formed during the last ice age — and it has been swallowing the unwary ever since.
Elena Marsh · February 4, 2026
Extremes
Norilsk: The City the World Cannot Breathe Near
Built on gulag labour above the world's richest nickel deposit, Norilsk is one of the most polluted cities on earth — and 100,000 people still live there.
Elena Marsh · February 4, 2026