World Cave Database  
   A list of long and deep caves from all around the world.
   http://www-sop.inria.fr/agos-sophia/sis/DB/database.html

Closed and Limited Access Caves of TAG  
   Information about closed and limited access caves in Tennessee, Alabama, and Georgia, USA
   http://www.dcg-nss.org/ccl.html

Bone-Norman Cave System  
   Photographs of and information about this system in West Virginia.
   http://CALIDRIS.tripod.com/caving/bonenorman.html

The Belgian Cave Guide  
   Details of 25 classic caving trips in Belgium.
   http://users.skynet.be/sky75112/avalonuk/cib_tabel.htm

Bougoumez 2001  
   Details of the Imperial College Caving Club expedition to the Bougoumez Valley, High Atlas Mountains, Morocco
   http://www.geocities.com/iccaving

Underwater Caves of Hungary  
   Information and pictures of a number of caves in Hungary.
   http://www.cavediver.ini.hu

SUSS Digging Projects  
   Information on the current digs being undertaken by Sheffield University Speleological Society, UK.
   http://www.timwebber.pwp.blueyonder.co.uk/proj.html

Caving Routes in the Yorkshire Dales  
   This site describes some of the better routes through some of the more complex caves in the Yorkshire Dales, UK and is intended for the guidance of experienced cavers.
   http://www.braemoor.co.uk/cavingtrip/index.htm

Inside Chiquibul  
   Interactive tour of Chiquibul, Central America by National Geographic photographer Stephen Alvarez.
   http://www.nationalgeographic.com/chiquibul/

BUSS Expedition Website  
   Information about caving expeditions by BUSS. Includes sections on Slovenia, Pierre Saint-Martin and the UK.
   http://www.cavesandcaving.co.uk

Caves in Trieste  
   Information on the Trieste caving region spanning Italy, Slovenia and Croatia.
   http://triestemia.com/caves/indexen.htm

Lechuguilla Photo Map  
   Detailed survey of Lechuguilla Cave, New Mexico, USA with linked photos and 3D animation.
   http://www.resurgentsoftware.com/Lech.html

NSS Geo2 Committee On Long And Deep Caves  
   Lists of the world's and USA'a longest and deepest caves and lava tubes.
   http://www.pipeline.com/~caverbob/

Caving In Jamaica  
   An extensive to the caves of Jamaica. Geography, geology, photos, descriptions and a downloadable caves database.
   http://users.skynet.be/sky33676/index1.html

The Cave Database  
   A comprehensive UK cave database that allows the addition, updating and searching of caves and cave details.
   http://www.cavedatabase.co.uk

Galician No-Karstic and Pseudokarstic Caves  
   Descriptions, classification, and photos of caves, speleothemes, concretions, root forms and root stalagmites, and underground archaeological features in Galicia, Spain.
   http://www.mauxo.com

The Scott's Gulf Virtual Tour  
   Descriptions and images of speleological sites in this area of White County, Tennessee, USA.
   http://orgs.tntech.edu/grotto/Gulf/sgtour.html

Caves, Cavers and Caving in Sweden  
   Information about caves and caving areas across Sweden.
   http://www.speleo.se/service/main.htm

Matienzo Caves  
   Expedition and location reports from Lancaster Caving Club
   http://www.matienzo.org.uk

Scott Hollow Cave  
   Includes discovery of the cave, access and guided trips, geology and hydrology, photos and contact information. Located in Greenbrier Valley, in Monroe County, West Virginia.
   http://www.wildcaving.com/

Ogof Ffynnon Ddu  
   Features virtual tour of the OFD system located in the Upper Swansea Valley in South Wales. Includes a brief history, hints and tips, photos and information about the local club.
   http://www.ogof.net

Cave-exploration.com  
   An alliance of experienced cavers and cave divers dedicated to exploring and documenting caves in the Yucatan. Gallery, papers, training, safety, equipment guides, projects and cave formations.
   http://www.cave-exploration.com

Nenthead Mines Exploration  
   Mine exploration around Nenthead, Cumbria. Advice, contacts, equipment, glossary and trip details.
   http://www.mineexplorer.org.uk

Nutty Putty Cave  
   Information on Nutty Putty Cave in Utah. Includes news, a suggested equipment list, driving directions, a map of the interior and photographs.
   http://www.udink.org/npc/

North American Cave Protection Acts or Laws  
   An index of acts relating to cave conservation from Caving Canada.
   http://www.cancaver.ca/conserv/docs/cpa.htm

Cherokee Cave  
   Maps, pictures and information on the Kern extension
   http://www.cherokeecave.com/

Sima Pumacocha  
   Cave exploration in the Yauyos district of Central Peru. Expedition reports and descriptions and pictures of bothe the local caves and the local area.
   http://members.shaw.ca/pumacocha/