United States of America
The Sinks of Gandy — also called the Sinks of Gandy Creek, or simply "The Sinks" — are a modestly celebrated cave and underground stream at Osceola in eastern Randolph County, West Virginia, United States. The Sinks are on private property within the Monongahela National Forest.
Listen to the audio guide for Sinks Of Gandy Upstream Entrance Free on WIP — starts by itself when you arrive, even with the screen off