This image shows the footpath and bridge across the body of water known as Mirror Lake, one of the natural features of the Bellingrath estate in Mobile, Alabama.
The description states:
BELLINGRATH GARDENS, MOBILE, ALABAMA
…The rustic bridge across Mirror Lake in the “Charm Spot of the Deep South” provides a photogenic spot for all camera enthusiasts. The graceful swans are always willing subjects.
–The extent of the gardens can be seen on this map. The estate was established in 1935.
This card likely dates from the 1950s.