The three places in the bible where it explicitly says the jews purchased are basically controlled by the arabs now. The temple mount which was purchased by king david, the graves of abraham and sarah in hebron, and the tomb of joseph which is in nablus all controlled by arabs.
Why do you think that the Arabs are destroying Jewish archaelogical sites in the lands they presently control? They want to erase all evidence of the 1,900-year-old claim.