12,000 feet down, life is erupting. Alvin, a deep-sea mechanized probe, makes a voyage some 12,000 feet underwater to explore the Azores, a constantly-erupting volcanic rift between Europe and North America.
1958
2018
1980
2016
1964
2017
1968
1978
1996
1960
2004
2015
2010
1936
1961
2007
2025
2014