MIAMI, FLORIDA—A third circle made up of post holes cut into bedrock by the Tequesta has been uncovered near the mouth of the Miami River. The first Miami Circle, thought to be a 2,000-year-old religious site, has been listed as a National Historic Landmark. The second circle, called the Royal Palm Circle, may have been used as a dwelling. The third circle was found nearby, beneath fill brought in by Henry Flagler to develop the city’s downtown area in the early twentieth century. A well and foundations of the Royal Palm Hotel, built by Flagler in 1897, have also been uncovered.