Perhaps our favorite outdoor shower of all time: this simple wooden enclosure in Montauk from NY firm Murdock Young. Recreate the look with the following hardware elements (and a good builder).
Above: Double-Pronged Aluminum Coat Hook, 5.25 inches; $31.32 each at CSN Stores.
Above: Industrial simplicity, courtesy of Kohler. The Industrial Exposed Shower with galvanized riser is $217.35 at Every Faucet.