There are some controversies as to was Goliath really as tall as some biblical writings insist, six cubits, or 9 ½ feet, some state he was over 7 feet tall. Some doubt the story of David killing him, there are some inconsistencies in parts of the Bible concerning that.
However, the town of Gat did exist. There are other historical writings that refer to the Refaim which is the race that Goliath is listed as coming from.
The picture above is of the Gilgal Refaim (The Circle Of The Refaim) in Israel. It is said to have been built by those same people that Goliath descended from. In the late 1980’s a group of British archaeologists may have uncovered skeletal evidence for giants in Jordan. At the site of Tel es-Sa’idiyeh, archaeologist Jonathan Tubb and a team from the British Museum unearthed the remains of some extremely tall people.
A mound near Toledo, Ohio, held 20 skeletons, seated and facing east with jaws and teeth "twice as large as those of present day people," and besides each was a large bowl with "curiously wrought hieroglyphic figures." (Chicago Record, Oct. 24, 1895; cited by Ron G. Dobbins, NEARA Journal, v13, fall 1978).
All of us have heard of men like Andre the Giant, and others in history that have been much taller and larger than the average person. In the end? It is very possible there was a Goliath, the more we learn? The more questions that come to mind.
some of the places I went to search for this article if you are curious....