Duvarah

An almost unsettling looking fabrication that appears to be a doorframe of twisted metal. At the top, it's keystone bears a mark of a circle, touching numerous other circles. The frame itself appears to be made with abilities beyond anyone that you've ever known. The metal appears to be well oiled and maintained but you get the sense that it's far older than it might initially appear.
If Jadifar II's recollection is accurate, his father used a network of these to traverse The Crossroadsduring his military campaign. His father recorded a total of 8 that he was able to discern the location of, but there are far more that had him land into a places that were beyond unfamiliar to him.