The Cosmos we saw some really neat optical illusions - it was right outside of Rapid City South Dakota

We were leaving Rapid City South Dakota and heading up into the Black Hills to see Mount Rushmore and we saw a place called the Cosmos. We decided to stop and it was so much fun.

Our kids were baffled and amazed to see balls roll uphill, and they couldn't figure out why our daughter all of a sudden appeared to be taller than our son.

We got some awesome pictures and the whole family enjoyed themselves thoroughly.

We very much enjoyed our Black Hills vacation.

I went 10 years ago , and i was just telling some friends about it , and they dident believe that it even existed . so here i am on the internet . looking up the cosmos ...