in the open

Genesis 21:33
And Abraham planted a tamarisk tree in Beersheba, and there he called upon the name of the LORD, the Eternal God.

Genesis 22:2, 13
"Take your son, " God said, "your only son Isaac, whom you love, and go to the land of Moriah. Offer him there as a burnt offering on one of the mountains I will show you." . . .

Genesis 31:54
Then Jacob offered a sacrifice on the mountain and invited his kinsmen to eat a meal. And after they had eaten, they spent the night on the mountain.

Deuteronomy 12:2
Destroy completely all the places where the nations you are dispossessing have served their gods--atop the high mountains, on the hills, and under every green tree.

1 Kings 14:23
They also built for themselves high places, sacred pillars, and Asherah poles on every high hill and under every green tree.

2 Kings 16:4
And he sacrificed and burned incense on the high places, on the hills, and under every green tree.

2 Kings 17:10
They set up for themselves sacred pillars and Asherah poles on every high hill and under every green tree.

2 Chronicles 28:4
And he sacrificed and burned incense on the high places, on the hills, and under every green tree.

Ezekiel 20:28
When I brought them into the land that I swore to give them and they saw any high hill or leafy tree, there they offered their sacrifices, presented offerings that provoked Me, sent up their fragrant incense, and poured out their drink offerings.

Ezekiel 22:9
Among you are slanderous men bent on bloodshed; within you are those who eat on the mountain shrines and commit acts of indecency.

and offer them

Leviticus 3:1-17
If one's offering is a peace offering and he offers an animal from the herd, whether male or female, he must present it without blemish before the LORD. . . .

Leviticus 7:11-21
Now this is the law of the peace offering that one may present to the LORD: . . .

Exodus 24:5
Then he sent out some young men of Israel, and they offered burnt offerings and sacrificed young bulls as peace offerings to the LORD.