Natural Habitat Adventures are the nature travel people. Our polar bear tours to Churchill, Manitoba and our Galapagos ecotravel adventures are just some of the world-class nature travel trips we run. See the natural world with the best guides and naturalists with NHA.

At REI, you'll find the great holiday gifts of gear, equipment and clothing you need for outdoor adventures. Save on outdoor gear and clothing for camping and hiking, cycling, climbing, kayaking, skiing, snowboarding and many more outdoor activities. 100% satisfaction guaranteed.

Hiking tours and multisport vacations since 1988: camping trips, adventure travel, singles travel, solo trips, family vacations. Request a free catalog.

Earthwatch Institute is an international non-profit organization that brings science to life for people concerned about the Earth's future. We offer volunteers the opportunity to join scientific field research projects all over the world, and help answer critical questions about climate change, biodiversity and sustainability. More than just an ecotour or vacation, Earthwatch volunteers see places and meet people that tourists can't.

Official Lindblad & National Geographic adventure cruise website. Lindblad Expeditions is dedicated to providing adventure travel and adventure vacations to locations like Alaska, Galapagos, Antarctica, the Arctic and many other locations. Explore remote destinations under the guidance of experienced leaders including National Geographic scientists, writers and photographers.

Arctic and Antarctica Travel, Cruises, Tours, Trip Reviews, Vacation Information and Ship Prices from the Leader in Polar Travel