These sites will update your internal simulator navigational information, VOR ,NDB, Intersections, runway ID's, ILS, etc.
https://www.fsaerodata.com/subscription required for it and Navigraph (the source of the info)
For a donationware avenue try these 3 sites maintained by a Vatsim member, (P3D, FS9, FSX compatible)
http://www.aero.sors.fr/navint.html .....for intesections (FS9, FSX, P3D)
http://aero.sors.fr/navaids3.html ........for navaids (FSX, P3D)
http://aero.sors.fr/navaids2.html ....... for navaids (FS9)