The fresnel lens from Twin Lights Lighthouse.
No editing was used on this shot. The lighthouse fresnel lens is enclosed in a glass case. The lens is currently illuminated by a small lightbulb. This lens was so powerful in its day, that seaman claimed to see it dozens of miles from shore!
You can find another shot of the front here:
This photo was featured on Explore on November 2, 2005.
Highest position: 97 on Saturday, January 6, 2007.