For context Martin was talking about where sinkholes were and weren't for this post...
So I've got a question now... they fix up that sinkhole for Cosmic Rewind? Or is this going to be a short lived 500 million dollar attraction?ToT was moved due to one. World Showcase lagoon has one, as does the east pond by Odyssey. There's one in the vicinity of PotC/JC. The Ventitian site is unstable, not sure if its due to a sinkhole or just soft ground.
And no, Horizons didn't have one. But Energy does.