Alexandria, Va., photographer Jeff Olson and his wife, Joanne, recently took a tour of Baltimore’s Inner Harbor, which is the site of Historic Ships in Baltimore, created as a result of the merger of the USS Constellation Museum and the Baltimore Maritime Museum. Four ships — sloop of war USS Constellation, lightship Chesapeake, World War II-era submarine USS Torsk and Coast Guard Cutter USCGC Taney — and Seven Foot Knoll Light, a screw-pile lighthouse, are part of the maritime museum.