TEOK (The Edge of Kauai Investigations) and Kauai Nature Tours offers Geology-Ecology tours of Kauai, hikes, education & research on the environment of Kauai and Hawaii.

Excerpt from: Gold Districts of California, by: W.B. Clark, California Division of Mines and Geology, Bulletin 193, 1970. Presented by: Oakland Museum of California.

Insight to the world of caves including cave geology and biology, cave formations, cave etiquette, and descriptions of seven show caves.

Dolphin Watch Carrigaholt Co Clare Ireland Offers dolphin watching and nature boat trips to observe the diversity of wildlife including Ireland's resident group of bottlenose dolphins, seabirds, famous cliff geology seals

Information source for Jamestown (Conanicut Island) and Newport Rhode Island. Sightseeing, history, dining, shopping, geology, geological history, links to Jamestown and Jamestown-focused web sites..

VOLCANO DISCOVERY:Tours and expeditions to active volcanoes, walking and study holidays in volcanic areas

Marine cave biology, anchialine caves and cave animals, cave diving, marine biospeleology, exploration and study of Yucatan and Bahamas caves

San Juan River rafting trips. Rafting the San Juan River. Whitewater rafting in Utah. San Juan River rafting, Utah rafting, Utah river rafting, White water rafting expeditions in Utah on the San Juan River. Tours of Monument Valley. Archaeology, geology, Anasazi culture ruins, rock art sites - Wild Rivers Expeditions. Ancestral Puebloan, rock art, cliff dwellings.

Garden of the Gods Visitor and Nature Center

River Systems of the World