1991 January – June

The Hard Way to the North Pole
Crossing crevasses, pressure ridges, and open water, two Norwegian skiers reach the North Pole without being resupplied.
Eye to Eye with the Giant Octopus
To dive with the Pacific giant octopus is to learn about a gentle creature that can weigh 50 pounds and is as savvy as a house cat.
Montreal- -Heart of French Canada { Montreal: Spirited Heart of French Canada}
Montrealers lead the movement for a separate Quebec. A Making of Canada map supplement traces the history of the province.
Dispatches From Eastern Europe
From the Baltic to the Black Sea, countries freed from decades of communist rule struggle toward democracy, amid outpourings of elation. .. and violence.
The Splendors of Lechuguilla Cave { Charting the Splendors of Lechuguilla Cave}
With its immense chambers and astonishing formations, a recent find in New Mexico is the Grand Canyon of the underworld.
Along the Santa Fe Trail
The 900- mile- long trail that served as meeting ground for Anglo, Hispanic, and Indian cultures in the 1800s thrives with new adventures and preservations.

Water and the West: The Colorado River { The Colorado: A River Drained Dry; Age- old Challenge: Water and the West }
Increasing demand and persistent drought have drawn the reservoirs of the Colorado River system, a critical water source for seven states and part of Mexico.
Secrets of Animal Navigation
How does a bird migrate to a destination it has never seen, a salmon return to the stream where it was spawned? Scientists search for the internal compass and map that guide such long- distance journeys.
The Wonderland of Lewis Carroll
Behind the celebrated pen name was the shy Oxford mathematician Charles Lutwidge Dodgson, who stepped through the looking- glass with his character Alice to create classic stories for children.
East Europe's Dark Dawn: The Iron Curtain Rises to Reveal a Land Tarnished by Pollution
Nations freed from decades of communist rule and unrestricted industrialization confront a harrowing legacy: air, water, and land deadened by pollution.
Bats- -The Cactus Connection
To the Sonoran Desert's lesser long- nosed bats, cactus flowers and fruits are irresistible. To the cactus, the bats are irreplaceable - - as pollinators and seed dispersers.