25 Most Puzzling Ancient Artifacts

3. The London Hammer

The London hammer was found by a couple who were taking a stroll near their home in London, Texas.

This hammer made from wood and iron was found encased in a rock, which seems strange enough, but the real surprise is that the rock itself was nearly 400 million years old!

That’s quite astonishing considering that, while similar tools were only invented in the 1800s, man himself has only been known to exist for the last 200,000 years.

So how did a man-made tool end up in a rock that was there even before any human had set foot on Earth?