Wallowa Lake and Mt. HOward summit
On the right (picture above) you can just make out the road that takes you through "Picture Gorge"
John Day Painted Hills
John Day - Clarno Unit
John Day Blue Basin
Newberry Volcanic Monument - Lava Butte & the Trail of the Molten Land
Newberry Volcanic Monument - Big Obsidian Flow trail
Everywhere you turned, Obsidian. In fact, the majority of all the rock you see in these photos is actually obsidian - including the giant boulders. The pictures don't do it justice.