North America

Alaska (2004)

Australia and New Zealand

Australia (2003), New Zealand (1995) & Australia (1994)

Asia

India (2005), Japan (1997-8), Thailand (1998), Bali (1998), Nepal (1998), China (1998)

Africa

Morocco (1998)

Europe

Italy (2001), Turkey (1998), Western Europe (1997)

Mexico

Yucatán (2000)

Central America

Costa Rica & Guatemala (1999)

South America

Galapagos (2001), Argentina & Chile (1999), Perú (1999)