The space capsule of Oologah Oklahoma, about a mile east of US 169 on Winganon road

In the late 1950's a full cement mixer crashed off the road, and by the time the removal was ready, the load of cement had hardened. So that was left right there, and the rest of the truck was put back to work.

So the locals painted it to look like an Apollo space capsule.

Found on http://www.twowheelok.com/2012/02/splashdown-at-oologah.html