Genesis 19:1
And the two angels came to Sodom in the evening. And Lot was sitting in the gateway of Sodom. Then Lot saw [them] and stood up to meet them. And he bowed down [with his] face to the ground.
Genesis 18:22
And the men turned from there and went toward Sodom. And Abraham [was] still standing before Yahweh.
Genesis 18:1-5
And Yahweh appeared to him by the oaks of Mamre. And he was sitting in the doorway of the tent at the heat of the day.
Job 31:32
An alien has not lodged in the street; I have opened my door to the traveler.
Hebrews 13:2
Do not neglect hospitality, because through this some have received angels as guests without knowing [it].