To take aerial photos, you need to attach your camera to a balloon, kite, pole, or whatever! Try the "standard" rubber band rig, the venerable soda bottle rig, or the juice jug rig.
(above image via @mathew in this post)
Not all #photo-rig designs have been adapted into activities, but here are number that have been started:
[activities:photo-rig]
[questions:photo-rig]
(above image via @mathew in this post)