See photos of ancient ruins submitted to National Geographic by users like you. 1 of 19 This photo was submitted to Your Shot, our photo community on Instagram. Follow us on Instagram at @ ...

But now an almost decade-long study has revealed it was built by his great-grandfather ... claims the ruins of five fortified ...

This mountain city in Bulgaria is known as the Machu Picchu of Europe but is less crowded and easier to get to, while still full of ancient mysteries.

Of course, we’ve learned a lot from the buildings and monuments of Ancient Egypt that are still standing. Like the pyramids! Or the Temples of Karnak! People can still walk amongst the ruins of ...