A close-up view of an Atlantic bay scallop reveals its many blue eyes. The eyes can detect light and movement, and the surrounding tentacles can sense threats.
A diver experiments with weightlessness at a research center in the U.S. Virgin Islands. In the 1960s, these experiments helped scientists figure out how astronauts would function in zero gravity conditions in space.
PHOTOGRAPH BY JAMES L. STANFIELD, NAT GEO IMAGE COLLECTION
For eight decades, the Tea and Sugar Train was the sole source of supplies for remote villages in Australia—villages populated by railway workers who tended to the Trans-Australian Railway. The route was shut down in 1996.
PHOTOGRAPH BY WILLIAM ALBERT ALLARD, NAT GEO IMAGE COLLECTION
A story from the August 1983 issue profiled the state of Delaware, including its robust poultry industry. Here, Frank Perdue, CEO of one of the largest chicken companies in the world, poses with one of his assets.
PHOTOGRAPH BY KEVIN FLEMING, NAT GEO IMAGE COLLECTION
A hot air balloon makes a landing in a field north of Paris in June of 1982. The crew members inside were participating in a balloon race to celebrate the 200th anniversary of the first manned balloon flight.
PHOTOGRAPH BY OTIS IMBODEN, NAT GEO IMAGE COLLECTION
In South Africa, workers in a platinum mine catch a ride to the surface in a large iron bucket. The mine, featured in a September 1996 story, was almost 200 stories deep into the earth.
PHOTOGRAPH BY JAMES L. AMOS, NAT GEO IMAGE COLLECTION
Individual train cars wait in the switching yard of the Santa Fe railway in Kansas City, Kansas. When this story was published in February 2001, the cars were assembled into trains by a computer system.
PHOTOGRAPH BY EMORY KRISTOF, NAT GEO IMAGE COLLECTION
Pearl experts trade and sell goods at an auction in Japan. This story from August 1985 showed the life cycle of a pearl, from its beginnings as a grain of sand to its final form in extravagant jewelry.
A story in the July 1978 issue tracked the route supertankers took to ship oil all over the world. In this photo, crewmen building a Japanese supertanker start the day with coordinated stretches and exercises.
PHOTOGRAPH BY MARTIN ROGERS, NAT GEO IMAGE COLLECTION
Platinum is one of the toughest metals available, and a November 1983 story told the story of all its uses. This photograph shows a machine made out of platinum, used to make and process fiberglass at a plant in New Jersey.
PHOTOGRAPH BY JAMES L. AMOS, NAT GEO IMAGE COLLECTION