I'm on the local school board, and managed to get the Superintendent to allow me to climb a tall Ponderosa Pine on one of the elementary school's grounds. I installed a marker at the top (125 feet up) for "back to school" this year. I have a blog where I occasionally list details and photos / videos of climbs I do, and the link has photos and a video clip from the tree.
(For the record, I hadn't updated the blog in over 3 years, but I've been climbing regularly for over 5 years. The climbs listed are only the smallest fraction of the number of climbs I've done)
Scott's Tree Climbing Blog