Genesis 19:1
The two angels came to Sodom in the evening while Lot was sitting in the city's gateway. When Lot saw them, he got up to meet them and bowed down with his face toward the ground.
Genesis 18:22
The two men turned and headed toward Sodom, but Abraham was still standing before the Lord.
Genesis 18:1-5
The Lord appeared to Abraham by the oaks of Mamre while he was sitting at the entrance to his tent during the hottest time of the day.
Job 31:32
But no stranger had to spend the night outside, for I opened my doors to the traveler --
Hebrews 13:2
Do not neglect hospitality, because through it some have entertained angels without knowing it.