In another 10,000 years, we wouldn’t recognize anything we have today...But who, today, really gives a crap???
Your comment had me recall something I read years (30+?) ago. In the super-future, all evidence of our civilization will gone and our language and even our beings will have changed but one thing would still be around and need to be dealt with:
Radio active waste. The article went on to cover the necessity of conveying the knowledge that "danger lies beneath here".