The 10 Weirdest, Most Mysterious Ancient Ruins In America

Because the U.S. is a relatively young nation, it’s sometimes easy to forget that the history of this land goes back way further than the American Revolution. Everyone knows about the pyramids in Egypt and the U.K.’s Stonehenge, but how many of these ancient American ruins did you know about?

These are just a few of the fascinating ancient sites and artifacts that archaeologists have discovered and debated in America. What other mysterious ruins have piqued your curiosity?