The other site is Big Mound City, twenty-five miles to the northeast in Palm Beach County.
[1] Aerial photography showed a site consisting of nine raised causeways radiating from an immense plaza and central flat mound/midden on privately owned land used for cattle ranching.
Before setting out, George Marnhout flew over the site while Lawrence Bright filmed and photographed from the plane.
The group traveled all day on swamp buggies until they set up camp under a hammock, ten minutes from the mounds.
[2][3] In 2014, after excavating the related Fort Center site in Glades County, Thompson and Pluckhahn concluded that Tony's Mound, Big Mound City and Fort Center represented the most important "earthworks built by hunter-gathers in world prehistory".