You can even take a boat across the Lost Sea, deep in Tennessee’s Craighead Caverns cave system.

If you are ready for an adventure reminiscent of Jules Verne’s Journey to the Center of the Earth, plan a trip to East Tennessee. Craighead Caverns, near Sweetwater, TN, is home to the largest ...

Add Yahoo as a preferred source to see more of our stories on Google. Tennessee Tourism A family enjoying The Lost Sea Adventure in the Craighead Caverns. Tennessee is one of those states where ...

Tennessee is one of those states where natural wonders appear both above the ground—in places like the Tennessee River Gorge and Great Smoky Mountains National Park—and hundreds of feet below the ...