Wow. USGS has a store with this poster: https://store.usgs.gov/b2c_usgs/catalog/setCurrentItem/(isQu...
In case that brutal link doesn't work: go to https://store.usgs.gov/ and search for "Under the Golden Gate Bridge".
The poster is basically 1M^2 so is a decent size.
EDIT: Not 1M^3, but 1M^2. We'll have to wait for the 1M^3 version...