Genesis 19:1
And the two angels came to Sodom at evening; 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 18:22
And the men turned their faces from there and went toward Sodom; but Abraham stood yet before the LORD.
Genesis 18:1-5
And the LORD appeared unto him among the terebinth trees of Mamre; and he was sitting in the door of his tent in the heat of the day;
Job 31:32
The stranger did not lodge in the street, but I opened my doors to the traveller.
Hebrews 13:2
Do not forget to show hospitality; for thereby some, having entertained angels, were kept.