| 1. | Eclipse Tours | | | Solar eclipse tours to the next total solar eclipse, also includes tour packages for the Leonid Meteor Showers. www.eclipsetours.com |
| 2. | Geotours | | | Offers guided tours to geologists and others interested in collecting rock, minerals specimens and fossils in Argentina, Uruguay and Paraguay. Services, sample tours, costs. www.geotours.com.ar |
| 3. | Diamantina Outback Tours | | | Offers expeditions based on natural history to remote regions of Outback Australia. Details of tours, booking, information on the Outback. www.diamantina-tour.com.au |
| 4. | Butterflies of Kerala | | | Travel agency highlights tours and excursions to see the butterflies and variety of species in Kerala, India. Photos and description of itinerary available. www.butterflieskerala.com |
| 5. | Watershed Belize Field Course | | | Describes watershed field course designed to experience travel through a tropical watershed in Belize; a journey from the Maya Mountains rainforest to the Barrier Reef. www.watershedbelize.org |
| 6. | Global Expeditions | | | Expeditions to foster exploration, conservation, community and medical aid in remote areas, led by John Blashford-Snell of Scientific Exploration Society. www.ses-explore.org |
| 7. | Phylum Tours | | | Phylum Tours leads individuals and groups to the remote and beautiful regions of Madagascar with customized tour packages focusing on natural history. Tours, testimonials. www.phylumtoursmadagascar.com |
| 8. | Volcano Live | | | Provides information about volcanoes, eruption, and volcano treks, and links to other volcano educational sites. Includes links to volcano-cams. www.volcanolive.com |
| 10. | Parawild Safaris | | | Works with professional game capture specialists in South Africa. Visitors can have an hands-on, educational experience while being a part of wildlife conservation in action. Also offers traditional wildlife viewing, cultural safaris, and adventure tourism. www.parawild.co.za |
| 11. | The Orchids of Cyprus | | | Information about planning a self-guided trip to Cyprus to see the native orchids, and recommends a new book on the subject. www.cyprus-orchids.freeservers.com |
| 13. | Raymond Wiggers, Guide and Educator | | | Professor conducts geology and botany tours. Site has links to free geology and botany information, details about past and upcoming expeditions, and photo galleries. raymondwiggers.homestead.com |
| 14. | Reef and Rainforest Tours | | | ATOL-bonded tour operator features natural history itineraries, tailor-made and small group trips also available. www.reefandrainforest.co.uk |
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