2 and he lifted up his eyes and looked, and lo, three men stood by him: And when he saw them, he ran to meet them from the tent door, and bowed himself toward the ground,
Genesis 18:2 Cross References - TKJU
Genesis 18:16
16 And the men rose up from there, and looked toward Sodom: And Abraham went with them to bring them on the way.
Genesis 18:22
22 And the men turned their faces from there, and went toward Sodom: But Abraham still stood before the LORD.
Genesis 19:1
1 And there came two angels to Sodom at sunset; and Lot sat in the gate of Sodom: And Lot seeing them rose up to meet them; and he bowed himself with his face toward the ground;
Genesis 23:7
7 And Abraham stood up, and bowed himself to the people of the land, even to the children of Heth.
Genesis 32:24
24 And Jacob was left alone; and there a man wrestled with him until the breaking of the day.
Genesis 33:3-7
3 And he passed over before them, and bowed himself to the ground seven times, until he came near to his brother.
4 And Esau ran to meet him, and embraced him, and fell on his neck, and kissed him: And they wept.
5 And he lifted up his eyes, and saw the women and the children; and said, "Who are those with you?"  And he said, "The children which God has graciously given your servant."
6 Then the handmaidens came near, they and their children, and they bowed themselves.
7 And Leah also with her children came near, and bowed themselves: And afterward Joseph and Rachel came near, and they bowed themselves.
Genesis 43:26
26 And when Joseph came home, they brought him the present which was in their hand into the house, and bowed themselves to him to the earth.
Genesis 43:28
28 And they answered, "Your servant our father is in good health, he is still alive."  And they bowed down their heads, and made obeisance.
Genesis 44:14
14 And Judah and his brothers came to Joseph's house; for he was still there: And they fell before him on the ground.
Joshua 5:13
13 And it came to pass, when Joshua was by Jericho, that he lifted up his eyes and looked, and behold, there stood a man in front of him with his sword drawn in his hand: And Joshua went to him, and said to him, "Are you for us, or for our adversaries?
Judges 13:3
3 And the angel of the LORD appeared to the woman, and said to her, "Behold now, you are barren, and do not bear children: But you shall conceive, and bear a son.
  
Judges 13:6-11
6 Then the woman came and told her husband, saying, "A man of God came to me, and his countenance was like the countenance of an angel of God, very frightful: But I did not ask him where he was from, neither did he tell me his name:
7 But he said to me, 'Behold, you shall conceive, and bear a son; and now drink no wine nor strong drink, neither eat any unclean thing: For the child shall be a Nazarite to God from the womb to the day of his death.' "
8 Then Manoah entreated the LORD, and said, "O my Lord, let the man of God which you sent come again to us, and teach us what we shall do to the child that shall be born."
9 And God hearkened to the voice of Manoah; and the angel of God came again to the woman as she sat in the field: But Manoah her husband was not with her.
10 And the woman made haste, and ran, and showed her husband, and said to him, "Behold, the man has appeared to me, that came to me the other day."
11 And Manoah arose, and went after his wife, and came to the man, and said to him, "Are you the man that spoke to the woman?"  And he said, "I am."
Ruth 2:10
10 Then she fell on her face, and bowed herself to the ground, and said to him, "Why have I found grace in your eyes, that you should take notice of me, seeing I am a foreigner?"
2 Kings 2:15
15 And when the sons of the prophets which were to view at Jericho saw him, they said, "The spirit of Elijah does rest on Elisha.  And they came to meet him, and bowed themselves to the ground before him.
Romans 12:13
13 distributing to the necessity of saints; given to hospitality. 
Hebrews 13:2
2 Be not forgetful to entertain strangers: For by doing that some have entertained angels without being aware. 
1 Peter 4:9
9 Use hospitality one to another without grudging.