A stroll along the Texas coastline may provide you with sights of sargassum seaweed, but on rare occasions, beachgoers have stumbled upon cargo from a World War II-era shipwreck that continues to occasionally float ashore. Visitors at Mustang Island State Park, outside of Corpus Christi, Texas, are the latest to discover one of the unassuming bales that were washed ashore by the currents of the Gulf of Mexico. A park ranger took to the site’s social media to show off the discovery and to point out that there is always the chance of something more substantial than a seashell or...