This site is very interesting to visit twice a year as it is an equinox sculpture. This large mass of metal "does something" on the spring and fall equinox if the sun is out.
You're looking for a large brass plaque on a concrete dias. The text on the plaque describes the metal sculpture nearby.
In order to log this cache as a Find you need to email me the answer to the following question *and* post a picture of yourself in front of the sculpture. Upload the picture with your log - do not email it to me. Do not post a picture of the plaque!
* What are the first three words in the second paragraph of the plaque?
I reserve the right to remove your log if you do not verify your answer and post a picture. You must physically visit the cache in order to claim a find.