Double Arch by night
Double Arch in Arches National Park.
30 seconds at ISO 6400, f/2.8. 16-35mm II at 16mm. Lit by 4 full power flashes from a 580EX, bounced off of the yellow jacket I was wearing as I hid behind a boulder under the arch. Triggered with an eBay timer to give me 3 minutes to run up in the arch before the exposure started.