What unusual location have you parked overnight at?

On a wonderful trip all around central and northern California, we passed many nights on the pull-offs along Rt 1 the coastal highway, with our slideout on the edge, the rocky coast hundreds of feet below.

The ultimate was a night spent in San Francisco on the parking lot of the USS San Francisco Memorial overlooking both the Pacfic Ocean, Seal Rocks and the Golden Gate Bridge and San Francisco Bay. We were never bothered.