National Parks
Yosemite National Park, California (1991-1994)
Shenandoah National Park, Virginia (1997)
Saguaro National Park, Arizona (1998)
Grand Canyon National Park, Arizona (1991)
Petrified Forest National Park, Arizona (1991)
Channel Islands National Park, California (1994)

U.S. Cities
Los Angeles, California (1989-1998)
San Francisco, California (1989-1997)
San Diego, California (1989-1997)
Washington, DC (1997-1998)
Silver Spring, Maryland (1997-1998)
Boston, Massachusetts (1998)
New York, New York (1998)
Phoenix, Arizona (1998)
Manhattan, Kansas (1999-)

International trips
Irkutsk, Russia (1991-1994)
moscow, Russia (1991-1994)
Mongolia (1992)
Cape Town, South Africa (1997)
Harare, Zimbabwe (1997)
China (2000)