The Moynihan Train Hall, Penn Station, in New York City. 
This image won an Architecture MasterPrize in 2024.
Taken on 22 April 2024, with an iPhone 14 Pro, 13 mm f/2.2 lens.
The image above is from a small set taken in the Palo Alto hills (Foothills Park).  I can describe what the image shows, but that doesn't seem to explain why I like it.
Taken on 3 May 2025 with a Nikon D850, 17-35 mm f/2.8 lens. 
Ocean Beach in San Francisco taken from the Cliff House.
Taken on 6 January 2008 with a Nikon D80, 18-35mm f/3.5-4.5 lens at 18 mm (27 mm equiv.)
Orchids with black background and backlighting.
Taken on 5 April 2020 with Nikon D750, 85 mm f/1.4 lens
Leaf, partially skeletal, on white paper, using flash with a "pinhole" modifier.
Taken on 27 October 2019 with Nikon D750, 60 mm Micro-Nikkor lens
Flying-spot X-ray source vacuum tube. The device is about 1 meter tall.
Taken on 26 September 2015 with Nikon D80, 18-35 f/3.5-4.5 lens at 18 mm (27 mm equiv.)
Stepped-spot X-ray source vacuum tube. Roughly half a meter wide.
Taken on 18 February 2015 with Nikon D80, 18-35mm f/3.5-4.5 lens at 35 mm (52 mm equiv.)
Tungsten film on a synthetic diamond substrate. 
Electrons impacting the tungsten generate X-rays.
Taken on 14 June 2017 with Nikon D750, 60 mm Micro-Nikkor lens

Optical measurement module with light source and switchable detector filters.
Taken on 7 October 2013 with Nikon D80, 60 mm Micro-Nikkor lens.
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