Resurrect Dead: The Mystery of the Toynbee Tiles

July 14, 2012 0

Beginning in the early 1990s, people living in Philadelphia began noticing rectangular signs embedded in the asphalt of city streets.

Over the years, more and more tiles were discovered, and not all are in Philly. In fact, there are hundreds, stretching across the US as far west as Kansas City and even one in South America (Chile)! […]