The Big Bloom, NGM, July 2002

Pterosaurs – Lords of the Ancient Skies, NGM, May, 2001

When Life Nearly Came to an End, NGM, September, 2000

Messel – Window on an Ancient World, NGM, February, 2000

Last Dive of I-52, NGM, October 1999

From Fins to Feet, NGM, May 1999

Life Without Light, NGM, October 1996

Gleaming Treasures from the Silver Bank, NGM, July 1996

Riddle of the Lusitania, NGM, April 1994

High Road to Hunza, NGM, March 1994

The Living Tower of London, NGM, October 1993

Between Monterey Tides, NGM, February 1990

The March Toward Extinction, NGM, June 1989

Meteorites – Invaders from Space, NGM, September 1986

Yosemite – Forever? NGM, January 1985

The Mediterranean – Sea of man’s Fate, NGM, December 1982

A Buried Roman Town Gives up Its Dead, NGM, December 1982

Graveyard of the Quicksilver Galleons, NGM, December 1979.

Mysteries of Bird Migration, NGM, August 1979

Glass Treasure from the Aegean, NGM, June 1978

Hawaii’s Far-flung Wildlife Paradise, NGM, May 1978

A Bad Time to Be a Crocodile, NGM, January 1978

Riding the Outlaw Trail, NGM, November 1976

Sicily, Where All the songs Are Sad, NGM, March 1976

Stockholm, Where Kvalitet Is a Way of Life, NGM, January 1976

New Life for the Troubled Suez Canal, NGM, June 1975

Florida’s Booming – and Beleaguered – Heartland, NGM, November 1973

Madeira, Like Its Wine, Improves With Age, NGM, April 1973

Cyprus Under Four Flags: A Struggle for Unity, NGM, March 1973

Aphrodisias, Awakened city of ancient Art, NGM, June 1972

The Pitfalls of Success – Yellowstone National Park, NGM, May 1972

On the Road With an Old-time Circus, NGM, March 1972

Barehanded Battle to Cleanse the Bay, NGM, June 1971

Home to the enduring Berkshires, NGM, August 1970

Keeping House in a Cappadocian Cave, NGM, July 1970

Dry-Land Fleet Sails the Sahara, NGM, November 1967

Ancient Aphrodisias and Its marble Treasures, NGM August 1967

California – Nature’s North, NGM, May 1966