A patch of desert the size of Delaware belongs to no country on Earth

Bir Tawil sits between Egypt and Sudan, created by a quirk of colonial-era map-drawing: both countries' preferred borders leave this 2,060 km² strip out, while both claim a more valuable neighboring triangle instead. Neither government wants Bir Tawil, since claiming it would mean giving up their claim to the better land, leaving it a rare inhabitable territory that genuinely belongs to no state.

— Standard geographic accounts of the Egypt–Sudan border dispute, Bir Tawil — Boundary discrepancy dating to 1899 and 1902