Places where coordinate order doesn't matter.

<!DOCTYPE html>
<html>
<head>
    <meta charset='utf-8' />
    <title></title>
    <meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
    <script src='https://api.tiles.mapbox.com/mapbox-gl-js/v0.15.0/mapbox-gl.js'></script>
    <script src='//api.tiles.mapbox.com/mapbox.js/plugins/turf/v2.0.0/turf.min.js'></script>
    <link href='https://api.tiles.mapbox.com/mapbox-gl-js/v0.15.0/mapbox-gl.css' rel='stylesheet' />
    <style>
        body { margin:0; padding:0; }
        #map { position:absolute; top:0; bottom:0; width:100%; }
    </style>
</head>
<body>

<div id='map'></div>
<script>
// spec the map
mapboxgl.accessToken = 'pk.eyJ1IjoibGFuZHBsYW5uZXIiLCJhIjoicUtlZGgwYyJ9.UFYz8MD4lI4kIzk9bjGFvg';
var map = new mapboxgl.Map({
  container: 'map',
  style: 'mapbox://styles/landplanner/cilsqlj1b00aza7ltg9c7so0f',
  center: [25,25],
  zoom: 4,
  pitch: 60,
  bearing: 0
});

map.addControl(new mapboxgl.Navigation());

// function to create all points
var buildPoints = function() {
  var sites = [];
  for (i = -90; i < 90; i++) {
    sites.push(turf.point([i,i]));
  };
  return turf.featurecollection(sites); 
};

map.on('style.load', function() {
  var fc = buildPoints();
  map.addSource("markers", {
    "type": "geojson",
    "data": fc
  });
  map.addLayer({
    "id": "markers",
    "type": "symbol",
    "source": "markers",
    "layout": {
      "icon-image": "motorway_1"
    }
  });
});
</script>

</body>
</html>

https://api.tiles.mapbox.com/mapbox-gl-js/v0.15.0/mapbox-gl.js

https://api.tiles.mapbox.com/mapbox.js/plugins/turf/v2.0.0/turf.min.js