Welcome To South Dakota’s Underwater Ghost Town

You may be thinking, "I didn't even know there was an underwater ghost town in South Dakota!" You're probably not alone, but- - surprise!

In fact, odds are pretty good that you have been there, maybe gone swimming off the sandy beach on the south shore, or fished for rainbow trout in it, maybe had a leisurely picnic beside it, or kayaked, even waterskied on it.

Any guesses?

Stacker compiled a list of the highest rated free things to do in South Dakota from Tripadvisor.

Sylvan Lake in the Black Hills of South Dakota is a crown jewel of Custer State Park, it is also a movie star, and the clearest lake in the state.