Tuckaleechee Caverns
- Includes history, description of formations, photos, hours of operation, ticket prices and map. Gift shop on premises. Located in Townsend.
- http://www.tuckaleecheecaverns.com/

Dunbar Cave State Natural Area
- Tennessee State Park official site for well-explored scenic and historic cave in northern middle Tennessee.
- http://www.state.tn.us/environment/na/natareas/dunbar/

The Lost Sea
- America's largest underground lake, near Sweetwater. History, tour information, location details and group advice.
- http://www.thelostsea.com/

Bristol Caverns
- Brief description from Show Caves of the World.
- http://www.showcaves.com/english/usa/showcaves/Bristol.html

Raccoon Mountain Caverns
- Features the cave geology, features, visiting times, and campground activities. Chattanooga.
- http://www.raccoonmountain.com/

Cumberland Caverns
- A show cave 7 miles south of McMinnville.
- http://www.cumberlandcaverns.com/

Ruby Falls
- America's highest underground waterfall, Chattanooga.
- http://rubyfalls.com/