These locations are not going to increase your chances of getting Legendary or Exotic items, but increase the probability. Old Russia: Rocketyard; before the strike location. Take Dock 12, its the pathway furthest head and you should be right in the location where the Hive is fighting the Fallen. Highest mob spawn rate in that location, and the whole game. Includes a special Event that's pure awesome. Moon: Circle of Bones; go to the building with the communication tower, go down and enter the hole in the moon, fancy cant miss it. Down to the Hall of Wisdom fight through or just run, to the other side and take that to Circle of Bones, now you're there. Not the best spawn rate but go in and out and im sure you might get something for your efforts. This is a test site still trying to look for better place. Venus: Ishtar Commons; We all have heard this one. Decent Spawn rate. Take a left to the city. Run through the mobs, left at second mob point, in the building and down the broken wall through the battle to the open area. Has a better engram spawn rate, and its small! Bad thing though is dregs like to hide behind stuff and therefore can't be killed as easily. Mars: Coming Soon~